{"id":8926,"date":"2012-05-06T01:09:02","date_gmt":"2012-05-06T00:09:02","guid":{"rendered":"https:\/\/www.acasinhadamatematica.pt\/?p=8926"},"modified":"2021-12-29T00:44:20","modified_gmt":"2021-12-29T00:44:20","slug":"efetue","status":"publish","type":"post","link":"https:\/\/www.acasinhadamatematica.pt\/?p=8926","title":{"rendered":"Efetue"},"content":{"rendered":"<p><ul id='GTTabs_ul_8926' class='GTTabs' style='display:none'>\n<li id='GTTabs_li_0_8926' class='GTTabs_curr'><a  id=\"8926_0\" onMouseOver=\"GTTabsShowLinks('Enunciado'); return true;\"  onMouseOut=\"GTTabsShowLinks();\"  class='GTTabsLinks'>Enunciado<\/a><\/li>\n<li id='GTTabs_li_1_8926' ><a  id=\"8926_1\" onMouseOver=\"GTTabsShowLinks('Resolu\u00e7\u00e3o'); return true;\"  onMouseOut=\"GTTabsShowLinks();\"  class='GTTabsLinks'>Resolu\u00e7\u00e3o<\/a><\/li>\n<\/ul>\n\n<div class='GTTabs_divs GTTabs_curr_div' id='GTTabs_0_8926'>\n<span class='GTTabs_titles'><b>Enunciado<\/b><\/span><\/p>\n<p>Efetue:<\/p>\n<ol>\n<li>${3i\\left( {2 + 4i} \\right)}$<\/li>\n<li>${\\left( {3 + 2i} \\right)\\left( { &#8211; 5 &#8211; i} \\right)}$<\/li>\n<li>${{{\\left( {2 &#8211; 3i} \\right)}^2}}$<\/li>\n<\/ol>\n<p><div class='GTTabsNavigation' style='display:none'><span class='GTTabs_nav_next'><a href='#GTTabs_ul_8926' onClick='GTTabs_show(1,8926)'>Resolu\u00e7\u00e3o &gt;&gt;<\/a><\/span><\/div><\/div>\n\n<div class='GTTabs_divs' id='GTTabs_1_8926'>\n<span class='GTTabs_titles'><b>Resolu\u00e7\u00e3o<\/b><\/span><!--more--><\/p>\n<ol>\n<li>Ora,<br \/>\n$$\\begin{array}{*{20}{l}}<br \/>\n{3i\\left( {2 + 4i} \\right)}&amp; = &amp;{3i \\times 2 + 3i \\times 4i} \\\\<br \/>\n{}&amp; = &amp;{6i + 12{i^2}} \\\\<br \/>\n{}&amp; = &amp;{ &#8211; 12 + 6i}<br \/>\n\\end{array}$$<\/li>\n<li>Ora,<br \/>\n$$\\begin{array}{*{20}{l}}<br \/>\n{\\left( {3 + 2i} \\right)\\left( { &#8211; 5 &#8211; i} \\right)}&amp; = &amp;{ &#8211; 15 &#8211; 3i &#8211; 10i &#8211; 2{i^2}} \\\\<br \/>\n{}&amp; = &amp;{ &#8211; 15 &#8211; 13i + 2} \\\\<br \/>\n{}&amp; = &amp;{ &#8211; 13 &#8211; 13i}<br \/>\n\\end{array}$$<\/li>\n<li>Ora,<br \/>\n$$\\begin{array}{*{20}{l}}<br \/>\n{{{\\left( {2 &#8211; 3i} \\right)}^2}}&amp; = &amp;{4 &#8211; 12i + 9{i^2}} \\\\<br \/>\n{}&amp; = &amp;{4 &#8211; 12i &#8211; 9} \\\\<br \/>\n{}&amp; = &amp;{ &#8211; 5 &#8211; 12i}<br \/>\n\\end{array}$$<\/li>\n<\/ol>\n<div class='GTTabsNavigation' style='display:none'><span class='GTTabs_nav_prev'><a href='#GTTabs_ul_8926' onClick='GTTabs_show(0,8926)'>&lt;&lt; Enunciado<\/a><\/span><\/div><\/div>\n\n","protected":false},"excerpt":{"rendered":"<p>Enunciado Resolu\u00e7\u00e3o Enunciado Efetue: ${3i\\left( {2 + 4i} \\right)}$ ${\\left( {3 + 2i} \\right)\\left( { &#8211; 5 &#8211; i} \\right)}$ ${{{\\left( {2 &#8211; 3i} \\right)}^2}}$ Resolu\u00e7\u00e3o &gt;&gt; Resolu\u00e7\u00e3o &lt;&lt; Enunciado<\/p>\n","protected":false},"author":1,"featured_media":19550,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[226,97,310],"tags":[427,18],"series":[],"class_list":["post-8926","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-12--ano","category-aplicando","category-numeros-complexos-12--ano","tag-12-o-ano","tag-numeros-complexos"],"views":2397,"jetpack_featured_media_url":"https:\/\/www.acasinhadamatematica.pt\/wp-content\/uploads\/2021\/12\/Mat169.png","jetpack_sharing_enabled":true,"jetpack_likes_enabled":true,"_links":{"self":[{"href":"https:\/\/www.acasinhadamatematica.pt\/index.php?rest_route=\/wp\/v2\/posts\/8926","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.acasinhadamatematica.pt\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.acasinhadamatematica.pt\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.acasinhadamatematica.pt\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.acasinhadamatematica.pt\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=8926"}],"version-history":[{"count":0,"href":"https:\/\/www.acasinhadamatematica.pt\/index.php?rest_route=\/wp\/v2\/posts\/8926\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.acasinhadamatematica.pt\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=8926"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.acasinhadamatematica.pt\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=8926"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.acasinhadamatematica.pt\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=8926"},{"taxonomy":"series","embeddable":true,"href":"https:\/\/www.acasinhadamatematica.pt\/index.php?rest_route=%2Fwp%2Fv2%2Fseries&post=8926"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}