{"id":2023,"date":"2020-11-21T02:52:53","date_gmt":"2020-11-21T01:52:53","guid":{"rendered":"https:\/\/agora.xtec.cat\/cfacanovelles\/?p=2023"},"modified":"2020-11-21T02:52:53","modified_gmt":"2020-11-21T01:52:53","slug":"identitats-notables","status":"publish","type":"post","link":"https:\/\/agora.xtec.cat\/cfacanovelles\/matematiques-iii\/identitats-notables\/","title":{"rendered":"Identitats Notables"},"content":{"rendered":"<p>De tots els productes possibles de binomis alguns mereixen l\u2019apel\u00b7latiu de notables, perqu\u00e8 del seu domini en podem obtenir grans avantatges per facilitar els c\u00e0lculs amb expressions algebraiques. Els avantatges es deriven del fet de poder enunciar directament el quadrat d\u2019una suma qualsevol o el d\u2019una difer\u00e8ncia sense haver d\u2019efectuar en cada ocasi\u00f3 el producte.<\/p>\n<p><a href=\"https:\/\/agora.xtec.cat\/cfacanovelles\/wp-content\/uploads\/usu1982\/2020\/11\/identitats_notables.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-2024 aligncenter\" src=\"https:\/\/agora.xtec.cat\/cfacanovelles\/wp-content\/uploads\/usu1982\/2020\/11\/identitats_notables.jpg\" alt=\"\" width=\"369\" height=\"216\" srcset=\"https:\/\/agora.xtec.cat\/cfacanovelles\/wp-content\/uploads\/usu1982\/2020\/11\/identitats_notables.jpg 369w, https:\/\/agora.xtec.cat\/cfacanovelles\/wp-content\/uploads\/usu1982\/2020\/11\/identitats_notables-300x176.jpg 300w\" sizes=\"auto, (max-width: 369px) 100vw, 369px\" \/><\/a><\/p>\n<p>A continuaci\u00f3 tenim 3 exemples de com apliquem cadascuna de les identitats anteriors:<\/p>\n<p><a href=\"https:\/\/agora.xtec.cat\/cfacanovelles\/wp-content\/uploads\/usu1982\/2020\/11\/identitats_notables_exemples.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-2025\" src=\"https:\/\/agora.xtec.cat\/cfacanovelles\/wp-content\/uploads\/usu1982\/2020\/11\/identitats_notables_exemples.jpg\" alt=\"\" width=\"516\" height=\"204\" srcset=\"https:\/\/agora.xtec.cat\/cfacanovelles\/wp-content\/uploads\/usu1982\/2020\/11\/identitats_notables_exemples.jpg 516w, https:\/\/agora.xtec.cat\/cfacanovelles\/wp-content\/uploads\/usu1982\/2020\/11\/identitats_notables_exemples-300x119.jpg 300w\" sizes=\"auto, (max-width: 516px) 100vw, 516px\" \/><\/a><\/p>\n<p>Si voleu podeu mirar el seg\u00fcent video per veure l&#8217;explicaci\u00f3 pas a pas:<\/p>\n<p><iframe loading=\"lazy\" src=\"https:\/\/www.youtube.com\/embed\/eA7m9_FJ3m0\" width=\"560\" height=\"315\" frameborder=\"0\"><\/iframe><\/p>\n<p>&nbsp;<\/p>\n<p>A continuaci\u00f3 resoleu els seg\u00fcents exercicis d&#8217;identitats notables. Recordeu que quan tenim escrit per exemple (x^2) vol dir x al quadrat (el barret &#8220;^&#8221; vol dir &#8220;elevat&#8221;):<\/p>\n<p><iframe loading=\"lazy\" src=\"https:\/\/docs.google.com\/forms\/d\/e\/1FAIpQLSeBKHmAFPT3mj3nP7MEXnvYhlALxW7j7AtetzJxlaXy83yTJQ\/viewform?embedded=true\" width=\"640\" height=\"2935\" frameborder=\"0\">Cargando\u2026<\/iframe><\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>De tots els productes possibles de binomis alguns mereixen l\u2019apel\u00b7latiu de notables, perqu\u00e8 del seu domini en podem obtenir grans avantatges per facilitar els c\u00e0lculs amb expressions algebraiques. Els avantatges es deriven del fet de poder enunciar directament el quadrat d\u2019una suma qualsevol o el&hellip;  <a href=\"https:\/\/agora.xtec.cat\/cfacanovelles\/matematiques-iii\/identitats-notables\/\" title=\"Read Identitats Notables\">Llegeix m\u00e9s\u00bb<\/a><\/p>\n","protected":false},"author":4,"featured_media":2024,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_bbp_topic_count":0,"_bbp_reply_count":0,"_bbp_total_topic_count":0,"_bbp_total_reply_count":0,"_bbp_voice_count":0,"_bbp_anonymous_reply_count":0,"_bbp_topic_count_hidden":0,"_bbp_reply_count_hidden":0,"_bbp_forum_subforum_count":0,"footnotes":""},"categories":[132],"tags":[],"class_list":["post-2023","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-matematiques-iii"],"post_mailing_queue_ids":[],"_links":{"self":[{"href":"https:\/\/agora.xtec.cat\/cfacanovelles\/wp-json\/wp\/v2\/posts\/2023","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/agora.xtec.cat\/cfacanovelles\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/agora.xtec.cat\/cfacanovelles\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/agora.xtec.cat\/cfacanovelles\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/agora.xtec.cat\/cfacanovelles\/wp-json\/wp\/v2\/comments?post=2023"}],"version-history":[{"count":1,"href":"https:\/\/agora.xtec.cat\/cfacanovelles\/wp-json\/wp\/v2\/posts\/2023\/revisions"}],"predecessor-version":[{"id":2026,"href":"https:\/\/agora.xtec.cat\/cfacanovelles\/wp-json\/wp\/v2\/posts\/2023\/revisions\/2026"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/agora.xtec.cat\/cfacanovelles\/wp-json\/wp\/v2\/media\/2024"}],"wp:attachment":[{"href":"https:\/\/agora.xtec.cat\/cfacanovelles\/wp-json\/wp\/v2\/media?parent=2023"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/agora.xtec.cat\/cfacanovelles\/wp-json\/wp\/v2\/categories?post=2023"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/agora.xtec.cat\/cfacanovelles\/wp-json\/wp\/v2\/tags?post=2023"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}