{"id":2533,"date":"2024-12-03T13:01:11","date_gmt":"2024-12-03T13:01:11","guid":{"rendered":"https:\/\/gbelentzas.sites.sch.gr\/?p=2533"},"modified":"2025-01-26T08:52:13","modified_gmt":"2025-01-26T08:52:13","slug":"%cf%80%ce%b1%cf%81%ce%b1%ce%b3%ce%bf%ce%bd%cf%84%ce%bf%cf%80%ce%bf%ce%af%ce%b7%cf%83%ce%b7-%ce%b4%ce%b9%ce%b1%cf%86%ce%bf%cf%81%ce%ac-%cf%84%ce%b5%cf%84%cf%81%ce%b1%ce%b3%cf%8e%ce%bd%cf%89","status":"publish","type":"post","link":"https:\/\/gbelentzas.sites.sch.gr\/?p=2533","title":{"rendered":"1.6 \u03a0\u03b1\u03c1\u03b1\u03b3\u03bf\u03bd\u03c4\u03bf\u03c0\u03bf\u03af\u03b7\u03c3\u03b7 \u2013 \u0394\u03b9\u03b1\u03c6\u03bf\u03c1\u03ac \u03c4\u03b5\u03c4\u03c1\u03b1\u03b3\u03ce\u03bd\u03c9\u03bd"},"content":{"rendered":"\n\n\n<div class=\"wp-block-group\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<p class=\"wp-block-paragraph\">\u039d\u03b1 \u03c5\u03c0\u03bf\u03bb\u03bf\u03b3\u03af\u03c3\u03bf\u03c5\u03bc\u03b5 \u03c4\u03b7\u03bd \u03c0\u03b1\u03c1\u03ac\u03c3\u03c4\u03b1\u03c3\u03b7: <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/gbelentzas.sites.sch.gr\/wp-content\/ql-cache\/quicklatex.com-f322b79f41a8668fac966d12b5c5c8d8_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#57;&#55;&#94;&#50;&#32;&#45;&#32;&#51;&#94;&#50;\" title=\"Rendered by QuickLaTeX.com\" height=\"17\" width=\"66\" style=\"vertical-align: 0px;\"\/><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0388\u03c7\u03bf\u03c5\u03bc\u03b5: <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/gbelentzas.sites.sch.gr\/wp-content\/ql-cache\/quicklatex.com-d4c36dbd8f8f2f26450a3889a823e481_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#57;&#55;&#94;&#50;&#32;&#45;&#32;&#51;&#94;&#50;&#32;&#61;&#32;&#57;&#52;&#48;&#57;&#32;&#45;&#32;&#57;&#32;&#61;&#32;&#57;&#52;&#48;&#48;\" title=\"Rendered by QuickLaTeX.com\" height=\"17\" width=\"224\" style=\"vertical-align: 0px;\"\/><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u039c\u03c0\u03bf\u03c1\u03bf\u03cd\u03bc\u03b5, \u03cc\u03bc\u03c9\u03c2, \u03bd\u03b1 \u03c7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03b9\u03ae\u03c3\u03bf\u03c5\u03bc\u03b5 \u03c4\u03b7\u03bd \u03c4\u03b1\u03c5\u03c4\u03cc\u03c4\u03b7\u03c4\u03b1 \u03c4\u03b7\u03c2 \u03b4\u03b9\u03b1\u03c6\u03bf\u03c1\u03ac\u03c2 \u03c4\u03b5\u03c4\u03c1\u03b1\u03b3\u03ce\u03bd\u03c9\u03bd \u03b3\u03b9\u03b1 \u03bd\u03b1 \u03b1\u03c0\u03bb\u03bf\u03c0\u03bf\u03b9\u03ae\u03c3\u03bf\u03c5\u03bc\u03b5 \u03c4\u03bf\u03bd \u03c5\u03c0\u03bf\u03bb\u03bf\u03b3\u03b9\u03c3\u03bc\u03cc. \u0397 \u03c0\u03b1\u03c1\u03ac\u03c3\u03c4\u03b1\u03c3\u03b7&nbsp;97^2 &#8211; 3^2&nbsp;\u03b3\u03c1\u03ac\u03c6\u03b5\u03c4\u03b1\u03b9 \u03c9\u03c2 \u03b5\u03be\u03ae\u03c2:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><p class=\"ql-center-displayed-equation\" style=\"line-height: 22px;\"><span class=\"ql-right-eqno\"> &nbsp; <\/span><span class=\"ql-left-eqno\"> &nbsp; <\/span><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/gbelentzas.sites.sch.gr\/wp-content\/ql-cache\/quicklatex.com-d0dc98e5aa3952539ad84bfc6daffbcf_l3.png\" height=\"22\" width=\"371\" class=\"ql-img-displayed-equation quicklatex-auto-format\" alt=\"&#92;&#091;&#57;&#55;&#94;&#50;&#32;&#45;&#32;&#51;&#94;&#50;&#32;&#61;&#32;&#40;&#57;&#55;&#32;&#43;&#32;&#51;&#41;&#40;&#57;&#55;&#32;&#45;&#32;&#51;&#41;&#61;&#49;&#48;&#48;&#92;&#99;&#100;&#111;&#116;&#32;&#57;&#52;&#32;&#61;&#57;&#52;&#48;&#48;&#92;&#093;\" title=\"Rendered by QuickLaTeX.com\"\/><\/p><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0394\u03b7\u03bb\u03b1\u03b4\u03ae, \u03bc\u03b5 \u03c4\u03b7 \u03c7\u03c1\u03ae\u03c3\u03b7 \u03c4\u03b7\u03c2 \u03c0\u03b1\u03c1\u03b1\u03b3\u03bf\u03bd\u03c4\u03bf\u03c0\u03bf\u03af\u03b7\u03c3\u03b7\u03c2 \u03bc\u03b5 \u03c4\u03b7 \u03c7\u03c1\u03ae\u03c3\u03b7 \u03c4\u03b7\u03c2 \u03c4\u03b1\u03c5\u03c4\u03cc\u03c4\u03b7\u03c4\u03b1\u03c2, \u03b1\u03c0\u03bf\u03c6\u03b5\u03cd\u03b3\u03bf\u03c5\u03bc\u03b5 \u03c4\u03b7\u03bd \u03ac\u03bc\u03b5\u03c3\u03b7 \u03cd\u03c8\u03c9\u03c3\u03b7 \u03c3\u03c4\u03bf \u03c4\u03b5\u03c4\u03c1\u03ac\u03b3\u03c9\u03bd\u03bf \u03ba\u03b1\u03b9 \u03c0\u03c1\u03b1\u03b3\u03bc\u03b1\u03c4\u03bf\u03c0\u03bf\u03b9\u03bf\u03cd\u03bc\u03b5 \u03c0\u03b9\u03bf \u03b1\u03c0\u03bb\u03bf\u03cd\u03c2 \u03c5\u03c0\u03bf\u03bb\u03bf\u03b3\u03b9\u03c3\u03bc\u03bf\u03cd\u03c2.<\/p>\n<\/div><\/div>\n\n\n<div class=\"wp-block-ub-content-toggle wp-block-ub-content-toggle-block\" id=\"ub-content-toggle-block-796124a0-fa00-4af4-96a6-75eb10d9df7c\" data-mobilecollapse=\"false\" data-desktopcollapse=\"false\" data-preventcollapse=\"false\" data-showonlyone=\"false\">\n<div class=\"wp-block-ub-content-toggle-accordion\" style=\"border-color: #f1f1f1; \" id=\"ub-content-toggle-panel-block-e765ce1c-8374-48f2-add6-902c52425598\">\n\t\t\t<div class=\"wp-block-ub-content-toggle-accordion-title-wrap\" style=\"background-color: #f1f1f1;\" aria-controls=\"ub-content-toggle-panel-0-796124a0-fa00-4af4-96a6-75eb10d9df7c\" tabindex=\"0\">\n\t\t\t<p class=\"wp-block-ub-content-toggle-accordion-title ub-content-toggle-title-796124a0-fa00-4af4-96a6-75eb10d9df7c\" style=\"color: #000000; \"><strong><em><i class=\"fas fa-download\"><\/i>\u00a0 \u0398\u03b5\u03c9\u03c1\u03af\u03b1<\/em><\/strong><\/p>\n\t\t\t<div class=\"wp-block-ub-content-toggle-accordion-toggle-wrap right\" style=\"color: #000000;\"><span class=\"wp-block-ub-content-toggle-accordion-state-indicator wp-block-ub-chevron-down open\"><\/span><\/div>\n\t\t<\/div>\n\t\t\t<div role=\"region\" aria-expanded=\"true\" class=\"wp-block-ub-content-toggle-accordion-content-wrap\" id=\"ub-content-toggle-panel-0-796124a0-fa00-4af4-96a6-75eb10d9df7c\">\n\n<p class=\"wp-block-paragraph\">\u0397 \u03c4\u03b1\u03c5\u03c4\u03cc\u03c4\u03b7\u03c4\u03b1 \u03c4\u03b7\u03c2 \u03b4\u03b9\u03b1\u03c6\u03bf\u03c1\u03ac\u03c2 \u03c4\u03b5\u03c4\u03c1\u03b1\u03b3\u03ce\u03bd\u03c9\u03bd \u03ad\u03c7\u03b5\u03b9 \u03c4\u03b7 \u03bc\u03bf\u03c1\u03c6\u03ae:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p><p class=\"ql-center-displayed-equation\" style=\"line-height: 22px;\"><span class=\"ql-right-eqno\"> \u00a0 <\/span><span class=\"ql-left-eqno\"> \u00a0 <\/span><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/gbelentzas.sites.sch.gr\/wp-content\/ql-cache\/quicklatex.com-472fbcf17e6af54d75b3ef3727c90f09_l3.png\" height=\"22\" width=\"209\" class=\"ql-img-displayed-equation quicklatex-auto-format\" alt=\"\\[\\alpha^2 - \\beta^2 = (\\alpha + \\beta)(\\alpha - \\beta)\\]\" title=\"Rendered by QuickLaTeX.com\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0391\u03c5\u03c4\u03ae \u03b7 \u03c4\u03b1\u03c5\u03c4\u03cc\u03c4\u03b7\u03c4\u03b1 \u03b5\u03af\u03bd\u03b1\u03b9 \u03b9\u03b4\u03b9\u03b1\u03af\u03c4\u03b5\u03c1\u03b1 \u03c7\u03c1\u03ae\u03c3\u03b9\u03bc\u03b7 \u03b3\u03b9\u03b1 \u03c4\u03b7\u03bd \u03c0\u03b1\u03c1\u03b1\u03b3\u03bf\u03bd\u03c4\u03bf\u03c0\u03bf\u03af\u03b7\u03c3\u03b7 \u03b1\u03bb\u03b3\u03b5\u03b2\u03c1\u03b9\u03ba\u03ce\u03bd \u03c0\u03b1\u03c1\u03b1\u03c3\u03c4\u03ac\u03c3\u03b5\u03c9\u03bd.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u03a0\u03ce\u03c2 \u03b5\u03c6\u03b1\u03c1\u03bc\u03cc\u03b6\u03b5\u03c4\u03b1\u03b9:<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">1. \u0395\u03bb\u03ad\u03b3\u03c7\u03bf\u03c5\u03bc\u03b5 \u03b1\u03bd \u03b7 \u03c0\u03b1\u03c1\u03ac\u03c3\u03c4\u03b1\u03c3\u03b7 \u03ad\u03c7\u03b5\u03b9 \u03c4\u03b7 \u03bc\u03bf\u03c1\u03c6\u03ae \u00a0<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/gbelentzas.sites.sch.gr\/wp-content\/ql-cache\/quicklatex.com-c7ce8ca27bba3ee7d364573e23308b2f_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\alpha^2 - \\beta^2\" title=\"Rendered by QuickLaTeX.com\" height=\"21\" width=\"62\" style=\"vertical-align: -4px;\">, \u03b4\u03b7\u03bb\u03b1\u03b4\u03ae \u03b4\u03b9\u03b1\u03c6\u03bf\u03c1\u03ac \u03b4\u03cd\u03bf \u03c4\u03b5\u03c4\u03c1\u03b1\u03b3\u03ce\u03bd\u03c9\u03bd.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">2. \u0395\u03bd\u03c4\u03bf\u03c0\u03af\u03b6\u03bf\u03c5\u03bc\u03b5 \u03c4\u03bf\u03c5\u03c2 \u03cc\u03c1\u03bf\u03c5\u03c2\u00a0<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/gbelentzas.sites.sch.gr\/wp-content\/ql-cache\/quicklatex.com-dc409b18c1ed275e303aee9b0b3443f0_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\alpha\" title=\"Rendered by QuickLaTeX.com\" height=\"8\" width=\"12\" style=\"vertical-align: 0px;\">\u00a0\u03ba\u03b1\u03b9\u00a0<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/gbelentzas.sites.sch.gr\/wp-content\/ql-cache\/quicklatex.com-d6d2c1b8eb1eaecff765795210e0d402_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\beta\" title=\"Rendered by QuickLaTeX.com\" height=\"18\" width=\"11\" style=\"vertical-align: -4px;\">, \u03b4\u03b7\u03bb\u03b1\u03b4\u03ae \u03c4\u03b9\u03c2 \u03b2\u03ac\u03c3\u03b5\u03b9\u03c2 \u03c4\u03c9\u03bd \u03c4\u03b5\u03c4\u03c1\u03b1\u03b3\u03ce\u03bd\u03c9\u03bd.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">3. \u0393\u03c1\u03ac\u03c6\u03bf\u03c5\u03bc\u03b5 \u03c4\u03b7\u03bd \u03c0\u03b1\u03c1\u03ac\u03c3\u03c4\u03b1\u03c3\u03b7 \u03c9\u03c2 \u03b3\u03b9\u03bd\u03cc\u03bc\u03b5\u03bd\u03bf:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p><p class=\"ql-center-displayed-equation\" style=\"line-height: 22px;\"><span class=\"ql-right-eqno\"> \u00a0 <\/span><span class=\"ql-left-eqno\"> \u00a0 <\/span><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/gbelentzas.sites.sch.gr\/wp-content\/ql-cache\/quicklatex.com-bae1668d42d63311bdf388d8c2d6c374_l3.png\" height=\"22\" width=\"209\" class=\"ql-img-displayed-equation quicklatex-auto-format\" alt=\"\\[\\alpha^2 - \\beta^2=(\\alpha + \\beta)(\\alpha - \\beta)\\]\" title=\"Rendered by QuickLaTeX.com\"><\/p>\n\n<\/div>\n\t\t<\/div>\n<\/div>\n\n\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe loading=\"lazy\" title=\"\u03a0\u03b1\u03c1\u03b1\u03b3\u03bf\u03bd\u03c4\u03bf\u03c0\u03bf\u03af\u03b7\u03c3\u03b7 \u03b1\u03bb\u03b3\u03b5\u03b2\u03c1\u03b9\u03ba\u03ce\u03bd \u03c0\u03b1\u03c1\u03b1\u03c3\u03c4\u03ac\u03c3\u03b5\u03c9\u03bd - \u039c\u03ad\u03c1\u03bf\u03c2 06\" width=\"640\" height=\"360\" src=\"https:\/\/www.youtube.com\/embed\/P9OfD5AZvPU?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe>\n<\/div><\/figure>\n\n\n<div class=\"wp-block-ub-content-toggle wp-block-ub-content-toggle-block\" id=\"ub-content-toggle-block-55bcf32b-5a41-4a49-a3f5-b97197c92fea\" data-mobilecollapse=\"false\" data-desktopcollapse=\"false\" data-preventcollapse=\"false\" data-showonlyone=\"false\">\n<div class=\"wp-block-ub-content-toggle-accordion\" style=\"border-color: #f1f1f1; \" id=\"ub-content-toggle-panel-block-3d25cb06-50d5-4c20-9b78-5cad695f0a09\">\n\t\t\t<div class=\"wp-block-ub-content-toggle-accordion-title-wrap\" style=\"background-color: #f1f1f1;\" aria-controls=\"ub-content-toggle-panel-0-55bcf32b-5a41-4a49-a3f5-b97197c92fea\" tabindex=\"0\">\n\t\t\t<p class=\"wp-block-ub-content-toggle-accordion-title ub-content-toggle-title-55bcf32b-5a41-4a49-a3f5-b97197c92fea\" style=\"color: #000000; \"><strong><i class=\"fas fa-wifi\"><\/i> \u03a0\u03b1\u03c1\u03ac\u03b4\u03b5\u03b9\u03b3\u03bc\u03b1 1<\/strong><\/p>\n\t\t\t<div class=\"wp-block-ub-content-toggle-accordion-toggle-wrap right\" style=\"color: #000000;\"><span class=\"wp-block-ub-content-toggle-accordion-state-indicator wp-block-ub-chevron-down open\"><\/span><\/div>\n\t\t<\/div>\n\t\t\t<div role=\"region\" aria-expanded=\"true\" class=\"wp-block-ub-content-toggle-accordion-content-wrap\" id=\"ub-content-toggle-panel-0-55bcf32b-5a41-4a49-a3f5-b97197c92fea\">\n\n<p class=\"wp-block-paragraph\">\u03a0\u03b1\u03c1\u03b1\u03b3\u03bf\u03bd\u03c4\u03bf\u03c0\u03bf\u03b9\u03ae\u03c3\u03c4\u03b5 \u03c4\u03b7\u03bd \u03c0\u03b1\u03c1\u03ac\u03c3\u03c4\u03b1\u03c3\u03b7: <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/gbelentzas.sites.sch.gr\/wp-content\/ql-cache\/quicklatex.com-281e346cdd93cfd172f9cb081e4ecad1_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"x^2 - 16\" title=\"Rendered by QuickLaTeX.com\" height=\"17\" width=\"60\" style=\"vertical-align: 0px;\"><\/p>\n\n\n<div class=\"wp-block-ub-divider ub_divider ub-divider-orientation-horizontal\" id=\"ub_divider_0c0d01d2-f8f3-45b5-ad2b-8c49f4f17f9b\"><div class=\"ub_divider_wrapper\" style=\"position: relative; margin-bottom: 2px; width: 100%; height: 2px; \" data-divider-alignment=\"center\"><div class=\"ub_divider_line\" style=\"border-top: 2px solid #ccc; margin-top: 2px; \"><\/div><\/div><\/div>\n\n\n<p class=\"wp-block-paragraph\">\u0391\u03bd\u03b1\u03b3\u03bd\u03c9\u03c1\u03af\u03b6\u03bf\u03c5\u03bc\u03b5 \u03cc\u03c4\u03b9\u00a0<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/gbelentzas.sites.sch.gr\/wp-content\/ql-cache\/quicklatex.com-31889f06b8a539c661970f64a546ab61_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"x^2\" title=\"Rendered by QuickLaTeX.com\" height=\"17\" width=\"18\" style=\"vertical-align: 0px;\">\u00a0\u03b5\u03af\u03bd\u03b1\u03b9 \u03c4\u03bf \u03c4\u03b5\u03c4\u03c1\u03ac\u03b3\u03c9\u03bd\u03bf \u03c4\u03bf\u03c5\u00a0<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/gbelentzas.sites.sch.gr\/wp-content\/ql-cache\/quicklatex.com-fa14ba582500f772a6344a561749e6f5_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"x\" title=\"Rendered by QuickLaTeX.com\" height=\"8\" width=\"10\" style=\"vertical-align: 0px;\">\u00a0\u03ba\u03b1\u03b9\u00a0<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/gbelentzas.sites.sch.gr\/wp-content\/ql-cache\/quicklatex.com-70757c273624d878434eb45c63f273d2_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"16 = 4^2\" title=\"Rendered by QuickLaTeX.com\" height=\"17\" width=\"59\" style=\"vertical-align: 0px;\">.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"> \u0388\u03c7\u03bf\u03c5\u03bc\u03b5:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p><p class=\"ql-center-displayed-equation\" style=\"line-height: 22px;\"><span class=\"ql-right-eqno\"> \u00a0 <\/span><span class=\"ql-left-eqno\"> \u00a0 <\/span><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/gbelentzas.sites.sch.gr\/wp-content\/ql-cache\/quicklatex.com-dfa0e28e5de4c943de1e4461af5571ec_l3.png\" height=\"22\" width=\"284\" class=\"ql-img-displayed-equation quicklatex-auto-format\" alt=\"\\[x^2 - 16 = x^2-4^2= (x + 4)(x - 4)\\]\" title=\"Rendered by QuickLaTeX.com\"><\/p>\n\n<\/div>\n\t\t<\/div>\n<\/div>\n\n<div class=\"wp-block-ub-content-toggle wp-block-ub-content-toggle-block\" id=\"ub-content-toggle-block-4ee23166-fb22-47ce-aa76-e044d097b4eb\" data-mobilecollapse=\"false\" data-desktopcollapse=\"false\" data-preventcollapse=\"false\" data-showonlyone=\"false\">\n<div class=\"wp-block-ub-content-toggle-accordion\" style=\"border-color: #f1f1f1; \" id=\"ub-content-toggle-panel-block-c7d0fdde-ca43-431f-b2b8-938388c83eb1\">\n\t\t\t<div class=\"wp-block-ub-content-toggle-accordion-title-wrap\" style=\"background-color: #f1f1f1;\" aria-controls=\"ub-content-toggle-panel-0-4ee23166-fb22-47ce-aa76-e044d097b4eb\" tabindex=\"0\">\n\t\t\t<p class=\"wp-block-ub-content-toggle-accordion-title ub-content-toggle-title-4ee23166-fb22-47ce-aa76-e044d097b4eb\" style=\"color: #000000; \"><strong><i class=\"fas fa-wifi\"><\/i> \u03a0\u03b1\u03c1\u03ac\u03b4\u03b5\u03b9\u03b3\u03bc\u03b1 2<\/strong><\/p>\n\t\t\t<div class=\"wp-block-ub-content-toggle-accordion-toggle-wrap right\" style=\"color: #000000;\"><span class=\"wp-block-ub-content-toggle-accordion-state-indicator wp-block-ub-chevron-down open\"><\/span><\/div>\n\t\t<\/div>\n\t\t\t<div role=\"region\" aria-expanded=\"true\" class=\"wp-block-ub-content-toggle-accordion-content-wrap\" id=\"ub-content-toggle-panel-0-4ee23166-fb22-47ce-aa76-e044d097b4eb\">\n\n<p class=\"wp-block-paragraph\">\u03a0\u03b1\u03c1\u03b1\u03b3\u03bf\u03bd\u03c4\u03bf\u03c0\u03bf\u03b9\u03ae\u03c3\u03c4\u03b5 \u03c4\u03b7\u03bd \u03c0\u03b1\u03c1\u03ac\u03c3\u03c4\u03b1\u03c3\u03b7: <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/gbelentzas.sites.sch.gr\/wp-content\/ql-cache\/quicklatex.com-8bbbe00272dfe0b9c8d4efc01ba050ca_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"4x^2 - 25\" title=\"Rendered by QuickLaTeX.com\" height=\"17\" width=\"69\" style=\"vertical-align: 0px;\"><\/p>\n\n\n<div class=\"wp-block-ub-divider ub_divider ub-divider-orientation-horizontal\" id=\"ub_divider_89c835b0-c1ad-4fcd-9763-401287779fb9\"><div class=\"ub_divider_wrapper\" style=\"position: relative; margin-bottom: 2px; width: 100%; height: 2px; \" data-divider-alignment=\"center\"><div class=\"ub_divider_line\" style=\"border-top: 2px solid #ccc; margin-top: 2px; \"><\/div><\/div><\/div>\n\n\n<p class=\"wp-block-paragraph\">1. \u0391\u03bd\u03b1\u03b3\u03bd\u03c9\u03c1\u03af\u03b6\u03bf\u03c5\u03bc\u03b5 \u03cc\u03c4\u03b9\u00a0<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/gbelentzas.sites.sch.gr\/wp-content\/ql-cache\/quicklatex.com-07117fab79359d4856ba8bda7b899752_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"4x^2 = (2x)^2\" title=\"Rendered by QuickLaTeX.com\" height=\"22\" width=\"94\" style=\"vertical-align: -5px;\">\u00a0\u03ba\u03b1\u03b9\u00a0<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/gbelentzas.sites.sch.gr\/wp-content\/ql-cache\/quicklatex.com-0a936e0a8d6be4083d216b0becdc675e_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"25 = 5^2\" title=\"Rendered by QuickLaTeX.com\" height=\"17\" width=\"60\" style=\"vertical-align: 0px;\">.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">2. \u0395\u03c6\u03b1\u03c1\u03bc\u03cc\u03b6\u03bf\u03c5\u03bc\u03b5 \u03c4\u03b7\u03bd \u03c4\u03b1\u03c5\u03c4\u03cc\u03c4\u03b7\u03c4\u03b1:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p><p class=\"ql-center-displayed-equation\" style=\"line-height: 22px;\"><span class=\"ql-right-eqno\"> \u00a0 <\/span><span class=\"ql-left-eqno\"> \u00a0 <\/span><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/gbelentzas.sites.sch.gr\/wp-content\/ql-cache\/quicklatex.com-0ba8d1048d9730babe53fb3102da0bf1_l3.png\" height=\"22\" width=\"336\" class=\"ql-img-displayed-equation quicklatex-auto-format\" alt=\"\\[4x^2 - 25 =  (2x)^2-5^2=(2x + 5)(2x - 5)\\]\" title=\"Rendered by QuickLaTeX.com\"><\/p>\n\n<\/div>\n\t\t<\/div>\n<\/div>\n\n<div class=\"wp-block-ub-content-toggle wp-block-ub-content-toggle-block\" id=\"ub-content-toggle-block-b41f6286-45e2-4bac-80c8-9f512c6decda\" data-mobilecollapse=\"false\" data-desktopcollapse=\"false\" data-preventcollapse=\"false\" data-showonlyone=\"false\">\n<div class=\"wp-block-ub-content-toggle-accordion\" style=\"border-color: #f1f1f1; \" id=\"ub-content-toggle-panel-block-cc3d66a0-9ffb-4ff7-9462-af6d7dbd428b\">\n\t\t\t<div class=\"wp-block-ub-content-toggle-accordion-title-wrap\" style=\"background-color: #f1f1f1;\" aria-controls=\"ub-content-toggle-panel-0-b41f6286-45e2-4bac-80c8-9f512c6decda\" tabindex=\"0\">\n\t\t\t<p class=\"wp-block-ub-content-toggle-accordion-title ub-content-toggle-title-b41f6286-45e2-4bac-80c8-9f512c6decda\" style=\"color: #000000; \"><strong><i class=\"fas fa-wifi\"><\/i> \u03a0\u03b1\u03c1\u03ac\u03b4\u03b5\u03b9\u03b3\u03bc\u03b1 3<\/strong><\/p>\n\t\t\t<div class=\"wp-block-ub-content-toggle-accordion-toggle-wrap right\" style=\"color: #000000;\"><span class=\"wp-block-ub-content-toggle-accordion-state-indicator wp-block-ub-chevron-down open\"><\/span><\/div>\n\t\t<\/div>\n\t\t\t<div role=\"region\" aria-expanded=\"true\" class=\"wp-block-ub-content-toggle-accordion-content-wrap\" id=\"ub-content-toggle-panel-0-b41f6286-45e2-4bac-80c8-9f512c6decda\">\n\n<p class=\"wp-block-paragraph\">\u03a0\u03b1\u03c1\u03b1\u03b3\u03bf\u03bd\u03c4\u03bf\u03c0\u03bf\u03b9\u03ae\u03c3\u03c4\u03b5 \u03c4\u03b7\u03bd \u03c0\u03b1\u03c1\u03ac\u03c3\u03c4\u03b1\u03c3\u03b7 <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/gbelentzas.sites.sch.gr\/wp-content\/ql-cache\/quicklatex.com-7f08470f61476341d421e514ad375225_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"x^4 - 81y^4\" title=\"Rendered by QuickLaTeX.com\" height=\"21\" width=\"78\" style=\"vertical-align: -4px;\"><\/p>\n\n\n<div class=\"wp-block-ub-divider ub_divider ub-divider-orientation-horizontal\" id=\"ub_divider_50c88380-9dba-44c9-a642-754d9d6ffef3\"><div class=\"ub_divider_wrapper\" style=\"position: relative; margin-bottom: 2px; width: 100%; height: 2px; \" data-divider-alignment=\"center\"><div class=\"ub_divider_line\" style=\"border-top: 2px solid #ccc; margin-top: 2px; \"><\/div><\/div><\/div>\n\n\n<p class=\"wp-block-paragraph\">\u0397 \u03ad\u03ba\u03c6\u03c1\u03b1\u03c3\u03b7\u00a0<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/gbelentzas.sites.sch.gr\/wp-content\/ql-cache\/quicklatex.com-7f08470f61476341d421e514ad375225_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"x^4 - 81y^4\" title=\"Rendered by QuickLaTeX.com\" height=\"21\" width=\"78\" style=\"vertical-align: -4px;\">\u00a0\u03b5\u03af\u03bd\u03b1\u03b9 \u03b4\u03b9\u03b1\u03c6\u03bf\u03c1\u03ac \u03b4\u03cd\u03bf \u03c4\u03b5\u03c4\u03c1\u03b1\u03b3\u03ce\u03bd\u03c9\u03bd, \u03b1\u03c6\u03bf\u03cd:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/gbelentzas.sites.sch.gr\/wp-content\/ql-cache\/quicklatex.com-799fdec9d9d59f5c83d019186b8228aa_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"x^4 = (x^2)^2\" title=\"Rendered by QuickLaTeX.com\" height=\"22\" width=\"84\" style=\"vertical-align: -5px;\"> \u03ba\u03b1\u03b9  <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/gbelentzas.sites.sch.gr\/wp-content\/ql-cache\/quicklatex.com-a23450cfa40f17db1b701a0eff84af24_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"81y^4 = (9y^2)^2\" title=\"Rendered by QuickLaTeX.com\" height=\"22\" width=\"111\" style=\"vertical-align: -5px;\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0388\u03c7\u03bf\u03c5\u03bc\u03b5: <br><\/p><p class=\"ql-center-displayed-equation\" style=\"line-height: 22px;\"><span class=\"ql-right-eqno\"> \u00a0 <\/span><span class=\"ql-left-eqno\"> \u00a0 <\/span><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/gbelentzas.sites.sch.gr\/wp-content\/ql-cache\/quicklatex.com-c6c32b52a53a2f1c3009c7d49c760dfe_l3.png\" height=\"22\" width=\"410\" class=\"ql-img-displayed-equation quicklatex-auto-format\" alt=\"\\[x^4 - 81y^4 =(x^2)^2 -  (9y^2)^2=(x^2 + 9y^2)(x^2 - 9y^2)\\]\" title=\"Rendered by QuickLaTeX.com\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0397 \u03c0\u03b1\u03c1\u03ac\u03c3\u03c4\u03b1\u03c3\u03b7\u00a0<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/gbelentzas.sites.sch.gr\/wp-content\/ql-cache\/quicklatex.com-90338f54f38560e1484ede8d590d2dd8_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"x^2 - 9y^2\" title=\"Rendered by QuickLaTeX.com\" height=\"21\" width=\"68\" style=\"vertical-align: -4px;\"> \u03c3\u03c4\u03b7\u03bd \u03b4\u03b5\u03cd\u03c4\u03b5\u03c1\u03b7 \u03c0\u03b1\u03c1\u03ad\u03bd\u03b8\u03b5\u03c3\u03b7 \u00a0\u03b5\u03af\u03bd\u03b1\u03b9 \u03ba\u03b1\u03b9 \u03b1\u03c5\u03c4\u03ae \u03b4\u03b9\u03b1\u03c6\u03bf\u03c1\u03ac \u03c4\u03b5\u03c4\u03c1\u03b1\u03b3\u03ce\u03bd\u03c9\u03bd, \u03b1\u03c6\u03bf\u03cd:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/gbelentzas.sites.sch.gr\/wp-content\/ql-cache\/quicklatex.com-76d8ed9025549cdd77ad2736aa68ba17_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"x^2 = x^2\" title=\"Rendered by QuickLaTeX.com\" height=\"17\" width=\"62\" style=\"vertical-align: 0px;\"> \u03ba\u03b1\u03b9  <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/gbelentzas.sites.sch.gr\/wp-content\/ql-cache\/quicklatex.com-0fd33d2f02ec9900da4d269ed2004237_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"9y^2 = (3y)^2\" title=\"Rendered by QuickLaTeX.com\" height=\"22\" width=\"93\" style=\"vertical-align: -5px;\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0388\u03c7\u03bf\u03c5\u03bc\u03b5 <br><\/p><p class=\"ql-center-displayed-equation\" style=\"line-height: 22px;\"><span class=\"ql-right-eqno\"> \u00a0 <\/span><span class=\"ql-left-eqno\"> \u00a0 <\/span><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/gbelentzas.sites.sch.gr\/wp-content\/ql-cache\/quicklatex.com-f93fcccec3f05ed678b3ed146c1354fe_l3.png\" height=\"22\" width=\"322\" class=\"ql-img-displayed-equation quicklatex-auto-format\" alt=\"\\[x^4 - 81y^4 = (x^2 + 9y^2)(x + 3y)(x - 3y)\\]\" title=\"Rendered by QuickLaTeX.com\"><\/p>\n\n<\/div>\n\t\t<\/div>\n<\/div>\n\n<div class=\"wp-block-ub-content-toggle wp-block-ub-content-toggle-block\" id=\"ub-content-toggle-block-af2b0bf3-c7e2-44e1-b2f4-56ee8736b4f2\" data-mobilecollapse=\"false\" data-desktopcollapse=\"false\" data-preventcollapse=\"false\" data-showonlyone=\"false\">\n<div class=\"wp-block-ub-content-toggle-accordion\" style=\"border-color: #f1f1f1; \" id=\"ub-content-toggle-panel-block-156c7a13-8dc3-4c0c-93b8-c46dbb4c081e\">\n\t\t\t<div class=\"wp-block-ub-content-toggle-accordion-title-wrap\" style=\"background-color: #f1f1f1;\" aria-controls=\"ub-content-toggle-panel-0-af2b0bf3-c7e2-44e1-b2f4-56ee8736b4f2\" tabindex=\"0\">\n\t\t\t<p class=\"wp-block-ub-content-toggle-accordion-title ub-content-toggle-title-af2b0bf3-c7e2-44e1-b2f4-56ee8736b4f2\" style=\"color: #000000; \"><strong><i class=\"fas fa-wifi\"><\/i> \u03a0\u03b1\u03c1\u03ac\u03b4\u03b5\u03b9\u03b3\u03bc\u03b1 4<\/strong><\/p>\n\t\t\t<div class=\"wp-block-ub-content-toggle-accordion-toggle-wrap right\" style=\"color: #000000;\"><span class=\"wp-block-ub-content-toggle-accordion-state-indicator wp-block-ub-chevron-down open\"><\/span><\/div>\n\t\t<\/div>\n\t\t\t<div role=\"region\" aria-expanded=\"true\" class=\"wp-block-ub-content-toggle-accordion-content-wrap\" id=\"ub-content-toggle-panel-0-af2b0bf3-c7e2-44e1-b2f4-56ee8736b4f2\">\n\n<p class=\"wp-block-paragraph\">\u03a0\u03b1\u03c1\u03b1\u03b3\u03bf\u03bd\u03c4\u03bf\u03c0\u03bf\u03b9\u03ae\u03c3\u03c4\u03b5 \u03c4\u03b7\u03bd \u03c0\u03b1\u03c1\u03ac\u03c3\u03c4\u03b1\u03c3\u03b7 <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/gbelentzas.sites.sch.gr\/wp-content\/ql-cache\/quicklatex.com-11ec609c789a8b3777a52d75b328f464_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"4(x+1)^2 - 9(x-2)^2\" title=\"Rendered by QuickLaTeX.com\" height=\"22\" width=\"172\" style=\"vertical-align: -5px;\"><\/p>\n\n\n<div class=\"wp-block-ub-divider ub_divider ub-divider-orientation-horizontal\" id=\"ub_divider_c25b60be-5a9b-4410-a44f-ff7a489d90a8\"><div class=\"ub_divider_wrapper\" style=\"position: relative; margin-bottom: 2px; width: 100%; height: 2px; \" data-divider-alignment=\"center\"><div class=\"ub_divider_line\" style=\"border-top: 2px solid #ccc; margin-top: 2px; \"><\/div><\/div><\/div>\n\n\n<p class=\"wp-block-paragraph\">\u0397 \u03c0\u03b1\u03c1\u03ac\u03c3\u03c4\u03b1\u03c3\u03b7 \u03c0\u03bf\u03c5 \u03b4\u03af\u03bd\u03b5\u03c4\u03b1\u03b9 \u03b5\u03af\u03bd\u03b1\u03b9 \u03b4\u03b9\u03b1\u03c6\u03bf\u03c1\u03ac \u03c4\u03b5\u03c4\u03c1\u03b1\u03b3\u03ce\u03bd\u03c9\u03bd \u03b1\u03c6\u03bf\u03cd <\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/gbelentzas.sites.sch.gr\/wp-content\/ql-cache\/quicklatex.com-e31282a78962e3b3711f0aa7f932e1d1_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"4(x+1)^2 = \\left(2(x+1)\\right)^2\" title=\"Rendered by QuickLaTeX.com\" height=\"24\" width=\"189\" style=\"vertical-align: -5px;\"> \u03ba\u03b1\u03b9 <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/gbelentzas.sites.sch.gr\/wp-content\/ql-cache\/quicklatex.com-adb6017c0f782b5692b0d29bdbb7c4ae_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"9(x-2)^2= \\left(3(x-2)\\right)^2\" title=\"Rendered by QuickLaTeX.com\" height=\"24\" width=\"189\" style=\"vertical-align: -5px;\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0388\u03c7\u03bf\u03c5\u03bc\u03b5<\/p>\n\n\n<p class=\"ql-center-displayed-equation\" style=\"line-height: 103px;\"><span class=\"ql-right-eqno\"> \u00a0 <\/span><span class=\"ql-left-eqno\"> \u00a0 <\/span><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/gbelentzas.sites.sch.gr\/wp-content\/ql-cache\/quicklatex.com-2908786fc787e9e9ec26651e4f84f611_l3.png\" height=\"103\" width=\"544\" class=\"ql-img-displayed-equation quicklatex-auto-format\" alt=\" \\begin{align*} 4(x+1)^2 - 9(x-2)^2 &amp;= [2(x+1) + 3(x-2)] \\cdot [2(x+1) - 3(x-2)] \\\\ &amp;= \\left( 2x + 2 + 3x - 6 \\right) \\cdot \\left( 2x + 2 - 3x + 6 \\right) \\\\ &amp;= (5x - 4) \\cdot (-x + 8) \\end{align*} \" title=\"Rendered by QuickLaTeX.com\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n<\/div>\n\t\t<\/div>\n<\/div>\n\n<div class=\"wp-block-ub-content-toggle wp-block-ub-content-toggle-block\" id=\"ub-content-toggle-block-87ef7412-daec-4d6f-accf-17f381459ffd\" data-mobilecollapse=\"false\" data-desktopcollapse=\"false\" data-preventcollapse=\"false\" data-showonlyone=\"false\">\n<div class=\"wp-block-ub-content-toggle-accordion\" style=\"border-color: #f1f1f1; \" id=\"ub-content-toggle-panel-block-15a2adb0-c220-4eb5-a077-3664bdc26f43\">\n\t\t\t<div class=\"wp-block-ub-content-toggle-accordion-title-wrap\" style=\"background-color: #f1f1f1;\" aria-controls=\"ub-content-toggle-panel-0-87ef7412-daec-4d6f-accf-17f381459ffd\" tabindex=\"0\">\n\t\t\t<p class=\"wp-block-ub-content-toggle-accordion-title ub-content-toggle-title-87ef7412-daec-4d6f-accf-17f381459ffd\" style=\"color: #000000; \"><strong><em><i class=\"fas fa-flag\"><\/i> <\/em>Let&#8217;s Practise<\/strong><\/p>\n\t\t\t<div class=\"wp-block-ub-content-toggle-accordion-toggle-wrap right\" style=\"color: #000000;\"><span class=\"wp-block-ub-content-toggle-accordion-state-indicator wp-block-ub-chevron-down open\"><\/span><\/div>\n\t\t<\/div>\n\t\t\t<div role=\"region\" aria-expanded=\"true\" class=\"wp-block-ub-content-toggle-accordion-content-wrap\" id=\"ub-content-toggle-panel-0-87ef7412-daec-4d6f-accf-17f381459ffd\">\n\n<p class=\"wp-block-paragraph\"><strong>\u0386\u03c3\u03ba\u03b7\u03c3\u03b7 1<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u039d\u03b1 \u03c0\u03b1\u03c1\u03b1\u03b3\u03bf\u03bd\u03c4\u03bf\u03c0\u03bf\u03b9\u03ae\u03c3\u03b5\u03c4\u03b5 \u03c4\u03b9\u03c2 \u03c0\u03b1\u03c1\u03b1\u03c3\u03c4\u03ac\u03c3\u03b5\u03b9\u03c2:<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td>\u03b1) <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/gbelentzas.sites.sch.gr\/wp-content\/ql-cache\/quicklatex.com-e6eae52d5607f3094ad5f0ad24c0d3f2_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"x^2 - 4\" title=\"Rendered by QuickLaTeX.com\" height=\"17\" width=\"51\" style=\"vertical-align: 0px;\"><\/td><td>\u03c3\u03c4) <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/gbelentzas.sites.sch.gr\/wp-content\/ql-cache\/quicklatex.com-087657768802f9ab417bdcbb03cbe948_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"x^2y^2 - 25\" title=\"Rendered by QuickLaTeX.com\" height=\"21\" width=\"78\" style=\"vertical-align: -4px;\"><\/td><\/tr><tr><td>\u03b2) <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/gbelentzas.sites.sch.gr\/wp-content\/ql-cache\/quicklatex.com-05fcc847e2dd4ed7fd86aa0096f2db70_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"1 - 36\\beta^2\" title=\"Rendered by QuickLaTeX.com\" height=\"21\" width=\"69\" style=\"vertical-align: -4px;\"><\/td><td>\u03b6) <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/gbelentzas.sites.sch.gr\/wp-content\/ql-cache\/quicklatex.com-39efdaa765b053ad5e628e24198add58_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"4x^2 - 9y^2\" title=\"Rendered by QuickLaTeX.com\" height=\"21\" width=\"78\" style=\"vertical-align: -4px;\"><\/td><\/tr><tr><td>\u03b3) <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/gbelentzas.sites.sch.gr\/wp-content\/ql-cache\/quicklatex.com-f63825aacc8d130664b471ad064f231f_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"4x^2 - 1\" title=\"Rendered by QuickLaTeX.com\" height=\"17\" width=\"59\" style=\"vertical-align: 0px;\"><\/td><td>\u03b7) <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/gbelentzas.sites.sch.gr\/wp-content\/ql-cache\/quicklatex.com-d920a5a6c4bd59bbce404a57150b97ed_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"25\\alpha^4 - \\beta^2\" title=\"Rendered by QuickLaTeX.com\" height=\"21\" width=\"81\" style=\"vertical-align: -4px;\"><\/td><\/tr><tr><td>\u03b4) <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/gbelentzas.sites.sch.gr\/wp-content\/ql-cache\/quicklatex.com-0746f42bc29ccd0a3572b89d57d844e2_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"9\\alpha^2 - 16\\beta^2\" title=\"Rendered by QuickLaTeX.com\" height=\"21\" width=\"90\" style=\"vertical-align: -4px;\"><\/td><td>\u03b8) <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/gbelentzas.sites.sch.gr\/wp-content\/ql-cache\/quicklatex.com-0d0d5360c0ed0fa131de131f349ba5bb_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"8 - x^2\" title=\"Rendered by QuickLaTeX.com\" height=\"17\" width=\"50\" style=\"vertical-align: 0px;\"><\/td><\/tr><tr><td>\u03b5) <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/gbelentzas.sites.sch.gr\/wp-content\/ql-cache\/quicklatex.com-6f35f215ac74e2dd62e666e57c87fa79_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"16m^2 - 9n^2\" title=\"Rendered by QuickLaTeX.com\" height=\"17\" width=\"92\" style=\"vertical-align: 0px;\"><\/td><td>\u03b9) <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/gbelentzas.sites.sch.gr\/wp-content\/ql-cache\/quicklatex.com-51fe7333e554e57bbd6effdfc4ef80c4_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"x^2y^2 - 2\" title=\"Rendered by QuickLaTeX.com\" height=\"21\" width=\"69\" style=\"vertical-align: -4px;\"><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u0386\u03c3\u03ba\u03b7\u03c3\u03b7 2<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u039d\u03b1 \u03c0\u03b1\u03c1\u03b1\u03b3\u03bf\u03bd\u03c4\u03bf\u03c0\u03bf\u03b9\u03ae\u03c3\u03b5\u03c4\u03b5 \u03c4\u03b9\u03c2 \u03c0\u03b1\u03c1\u03b1\u03c3\u03c4\u03ac\u03c3\u03b5\u03b9\u03c2:<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td>\u03b1) <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/gbelentzas.sites.sch.gr\/wp-content\/ql-cache\/quicklatex.com-f27683cfb875c84f94334b3d60b0024a_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"16x^2y^2 - 1\" title=\"Rendered by QuickLaTeX.com\" height=\"21\" width=\"86\" style=\"vertical-align: -4px;\"><\/td><td>\u03c3\u03c4)<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/gbelentzas.sites.sch.gr\/wp-content\/ql-cache\/quicklatex.com-a88286bdb3d5b2cef92ec3b07f8c38c8_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"(x + 2)^2 - 9\" title=\"Rendered by QuickLaTeX.com\" height=\"22\" width=\"97\" style=\"vertical-align: -5px;\"><\/td><\/tr><tr><td>\u03b2) <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/gbelentzas.sites.sch.gr\/wp-content\/ql-cache\/quicklatex.com-5e8169f5255f8b457182c593ed2d62fb_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"x^4 - 16\" title=\"Rendered by QuickLaTeX.com\" height=\"17\" width=\"60\" style=\"vertical-align: 0px;\"><\/td><td>\u03b6) <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/gbelentzas.sites.sch.gr\/wp-content\/ql-cache\/quicklatex.com-6d927b70bf9732bdd40c6c3b901d162a_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"(x^2 + 1)^2 - 4x^2\" title=\"Rendered by QuickLaTeX.com\" height=\"22\" width=\"123\" style=\"vertical-align: -5px;\"><\/td><\/tr><tr><td>\u03b3) <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/gbelentzas.sites.sch.gr\/wp-content\/ql-cache\/quicklatex.com-27dfc3f3a13986ce6a6f20e2e564b524_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"x^8 - y^8\" title=\"Rendered by QuickLaTeX.com\" height=\"21\" width=\"59\" style=\"vertical-align: -4px;\"><\/td><td>\u03b7) <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/gbelentzas.sites.sch.gr\/wp-content\/ql-cache\/quicklatex.com-07e63a3ee7130441fec35109060bde24_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"(x + y)^2 - (x - y)^2\" title=\"Rendered by QuickLaTeX.com\" height=\"22\" width=\"153\" style=\"vertical-align: -5px;\"><\/td><\/tr><tr><td>\u03b4) <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/gbelentzas.sites.sch.gr\/wp-content\/ql-cache\/quicklatex.com-b528a02864899a1f7fc3bc35a9d2c83e_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"x^6 - 64\" title=\"Rendered by QuickLaTeX.com\" height=\"17\" width=\"60\" style=\"vertical-align: 0px;\"><\/td><td>\u03b8) <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/gbelentzas.sites.sch.gr\/wp-content\/ql-cache\/quicklatex.com-24808666420626e40f6b106a8712b35a_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"(2\\alpha - 3\\beta)^2 - (\\alpha + \\beta)^2\" title=\"Rendered by QuickLaTeX.com\" height=\"22\" width=\"178\" style=\"vertical-align: -5px;\"><\/td><\/tr><tr><td>\u03b5) <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/gbelentzas.sites.sch.gr\/wp-content\/ql-cache\/quicklatex.com-f3a52a81caee657d0b72b278696213f3_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"16x^4 - 81y^4\" title=\"Rendered by QuickLaTeX.com\" height=\"21\" width=\"95\" style=\"vertical-align: -4px;\"><\/td><td>\u03b9) <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/gbelentzas.sites.sch.gr\/wp-content\/ql-cache\/quicklatex.com-26fd45436240c4a6ed828af0f4fb8f75_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"16(\\alpha + 2\\beta)^2 - 9(\\alpha - \\beta)^2\" title=\"Rendered by QuickLaTeX.com\" height=\"22\" width=\"197\" style=\"vertical-align: -5px;\"><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u0386\u03c3\u03ba\u03b7\u03c3\u03b7 3<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u039d\u03b1 \u03c5\u03c0\u03bf\u03bb\u03bf\u03b3\u03af\u03c3\u03b5\u03c4\u03b5 \u03c4\u03b9\u03c2 \u03c0\u03b1\u03c1\u03b1\u03c3\u03c4\u03ac\u03c3\u03b5\u03b9\u03c2:<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td>\u03b1)<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/gbelentzas.sites.sch.gr\/wp-content\/ql-cache\/quicklatex.com-5362bd2ffe517c66b0e463471e968476_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"102^2 - 98^2\" title=\"Rendered by QuickLaTeX.com\" height=\"17\" width=\"83\" style=\"vertical-align: 0px;\"><\/td><\/tr><tr><td>\u03b2) <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/gbelentzas.sites.sch.gr\/wp-content\/ql-cache\/quicklatex.com-61437158c17a74587417bb9a2f55b634_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"53^2 - 47^2\" title=\"Rendered by QuickLaTeX.com\" height=\"17\" width=\"75\" style=\"vertical-align: 0px;\"><\/td><\/tr><tr><td>\u03b3)<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/gbelentzas.sites.sch.gr\/wp-content\/ql-cache\/quicklatex.com-ad27ae294b4c5adee217b80f97ad5f59_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"120^2 - 80^2\" title=\"Rendered by QuickLaTeX.com\" height=\"17\" width=\"83\" style=\"vertical-align: 0px;\"> <\/td><\/tr><tr><td>\u03b4) <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/gbelentzas.sites.sch.gr\/wp-content\/ql-cache\/quicklatex.com-bd563b9de991b10415b79d41c9db8c5f_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"75^2 - 65^2\" title=\"Rendered by QuickLaTeX.com\" height=\"17\" width=\"74\" style=\"vertical-align: 0px;\"><\/td><\/tr><tr><td>\u03b5)<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/gbelentzas.sites.sch.gr\/wp-content\/ql-cache\/quicklatex.com-8ce0a94abe82650902e049a8e7addd27_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"200^2 - 199^2\" title=\"Rendered by QuickLaTeX.com\" height=\"17\" width=\"93\" style=\"vertical-align: 0px;\"><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u0386\u03c3\u03ba\u03b7\u03c3\u03b7 4<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u039d\u03b1 \u03c0\u03b1\u03c1\u03b1\u03b3\u03bf\u03bd\u03c4\u03bf\u03c0\u03bf\u03b9\u03ae\u03c3\u03b5\u03c4\u03b5 \u03c4\u03b9\u03c2 \u03c0\u03b1\u03c1\u03b1\u03c3\u03c4\u03ac\u03c3\u03b5\u03b9\u03c2:<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td>\u03b1) <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/gbelentzas.sites.sch.gr\/wp-content\/ql-cache\/quicklatex.com-fa2322122f3c3c9e7c667ba8c08eeb3a_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"4x^3 - 16x\" title=\"Rendered by QuickLaTeX.com\" height=\"17\" width=\"79\" style=\"vertical-align: 0px;\"><\/td><td>\u03c3\u03c4) <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/gbelentzas.sites.sch.gr\/wp-content\/ql-cache\/quicklatex.com-b3617ec12956284b28612b7a5caf932d_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"36x^3y^4 - 144x^3y^2\" title=\"Rendered by QuickLaTeX.com\" height=\"21\" width=\"143\" style=\"vertical-align: -4px;\"><\/td><\/tr><tr><td>\u03b2) <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/gbelentzas.sites.sch.gr\/wp-content\/ql-cache\/quicklatex.com-e21f2d283f513680a610ca3792f6d2c6_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"25x^5y - 100xy\" title=\"Rendered by QuickLaTeX.com\" height=\"21\" width=\"119\" style=\"vertical-align: -4px;\"><\/td><td>\u03b6)  <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/gbelentzas.sites.sch.gr\/wp-content\/ql-cache\/quicklatex.com-04cfa6db6531481046ee564f94e3a2f0_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"81\\beta^5x^2 - 324\\beta^3x^2\" title=\"Rendered by QuickLaTeX.com\" height=\"21\" width=\"146\" style=\"vertical-align: -4px;\"><\/td><\/tr><tr><td>\u03b3) <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/gbelentzas.sites.sch.gr\/wp-content\/ql-cache\/quicklatex.com-d17d8f515e1d714994441741d9a585c2_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"9\\alpha^3 - 36\\alpha\" title=\"Rendered by QuickLaTeX.com\" height=\"17\" width=\"83\" style=\"vertical-align: 0px;\"><\/td><td>\u03b7)  <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/gbelentzas.sites.sch.gr\/wp-content\/ql-cache\/quicklatex.com-1f4656975516564bda04c495a03a27f3_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"100\\alpha^4y^3 - 400\\alpha^2y^3\" title=\"Rendered by QuickLaTeX.com\" height=\"21\" width=\"154\" style=\"vertical-align: -4px;\"><\/td><\/tr><tr><td>\u03b4) <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/gbelentzas.sites.sch.gr\/wp-content\/ql-cache\/quicklatex.com-b023d88c5ce1f6d21e674ec220bc92cc_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"16x^3y^2 - 64xy^2\" title=\"Rendered by QuickLaTeX.com\" height=\"21\" width=\"124\" style=\"vertical-align: -4px;\"><\/td><td>\u03b8)   <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/gbelentzas.sites.sch.gr\/wp-content\/ql-cache\/quicklatex.com-eb1eceb302361ebae587920bb79f50fe_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"49\\alpha^5\\beta^3 - 196\\alpha^3\\beta^3\" title=\"Rendered by QuickLaTeX.com\" height=\"21\" width=\"149\" style=\"vertical-align: -4px;\"><\/td><\/tr><tr><td>\u03b5)  <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/gbelentzas.sites.sch.gr\/wp-content\/ql-cache\/quicklatex.com-14437be68549d63fa5f850c84f36c5b0_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"8x^3 - 32x\" title=\"Rendered by QuickLaTeX.com\" height=\"17\" width=\"79\" style=\"vertical-align: 0px;\"><\/td><td>\u03b9)  <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/gbelentzas.sites.sch.gr\/wp-content\/ql-cache\/quicklatex.com-3b5b9b6fee9b6d9b0e95bcea5bdcef86_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"12\\alpha^5\\beta^2 - 48\\alpha^3\\beta^2\" title=\"Rendered by QuickLaTeX.com\" height=\"21\" width=\"138\" style=\"vertical-align: -4px;\"><\/td><\/tr><\/tbody><\/table><\/figure>\n\n<\/div>\n\t\t<\/div>\n<\/div>\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u039d\u03b1 \u03c5\u03c0\u03bf\u03bb\u03bf\u03b3\u03af\u03c3\u03bf\u03c5\u03bc\u03b5 \u03c4\u03b7\u03bd \u03c0\u03b1\u03c1\u03ac\u03c3\u03c4\u03b1\u03c3\u03b7: $97^2 &#8211; 3^2$ \u0388\u03c7\u03bf\u03c5\u03bc\u03b5: $97^2 &#8211; 3^2 = 9409 &#8211; 9 = 9400$ \u039c\u03c0\u03bf\u03c1\u03bf\u03cd\u03bc\u03b5, \u03cc\u03bc\u03c9\u03c2, \u03bd\u03b1 \u03c7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03b9\u03ae\u03c3\u03bf\u03c5\u03bc\u03b5 \u03c4\u03b7\u03bd \u03c4\u03b1\u03c5\u03c4\u03cc\u03c4\u03b7\u03c4\u03b1 \u03c4\u03b7\u03c2 \u03b4\u03b9\u03b1\u03c6\u03bf\u03c1\u03ac\u03c2 \u03c4\u03b5\u03c4\u03c1\u03b1\u03b3\u03ce\u03bd\u03c9\u03bd \u03b3\u03b9\u03b1 \u03bd\u03b1 \u03b1\u03c0\u03bb\u03bf\u03c0\u03bf\u03b9\u03ae\u03c3\u03bf\u03c5\u03bc\u03b5 \u03c4\u03bf\u03bd \u03c5\u03c0\u03bf\u03bb\u03bf\u03b3\u03b9\u03c3\u03bc\u03cc. \u0397 \u03c0\u03b1\u03c1\u03ac\u03c3\u03c4\u03b1\u03c3\u03b7&nbsp;97^2 &#8211; 3^2&nbsp;\u03b3\u03c1\u03ac\u03c6\u03b5\u03c4\u03b1\u03b9 \u03c9\u03c2 \u03b5\u03be\u03ae\u03c2: $$97^2 &#8211; 3^2 = (97 + 3)(97 &#8211; 3)=100\\cdot 94 =9400$$ \u0394\u03b7\u03bb\u03b1\u03b4\u03ae, \u03bc\u03b5&#8230;<\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[40],"tags":[],"class_list":["post-2533","post","type-post","status-publish","format-standard","hentry","category-1--"],"featured_image_src":null,"author_info":{"display_name":"Gvel School","author_link":"https:\/\/gbelentzas.sites.sch.gr\/?author=3"},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.0 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>1.6 \u03a0\u03b1\u03c1\u03b1\u03b3\u03bf\u03bd\u03c4\u03bf\u03c0\u03bf\u03af\u03b7\u03c3\u03b7 \u2013 \u0394\u03b9\u03b1\u03c6\u03bf\u03c1\u03ac 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