{"id":1204,"date":"2020-04-08T07:00:00","date_gmt":"2020-04-08T00:00:00","guid":{"rendered":"https:\/\/www.truyenthong.edu.vn\/?p=1204"},"modified":"2020-04-08T07:00:00","modified_gmt":"2020-04-08T00:00:00","slug":"giao-an-phuong-trinh-duong-tron","status":"publish","type":"post","link":"https:\/\/truyenthong.edu.vn\/sanpham\/2020\/04\/08\/giao-an-phuong-trinh-duong-tron\/","title":{"rendered":"Gi\u00e1o \u00e1n: Ph\u01b0\u01a1ng tr\u00ecnh \u0111\u01b0\u1eddng tr\u00f2n"},"content":{"rendered":"\n<p>Trong\u00a0h\u00ecnh h\u1ecdc ph\u1eb3ng,\u00a0<strong>\u0111\u01b0\u1eddng tr\u00f2n<\/strong>\u00a0(ho\u1eb7c\u00a0<strong>v\u00f2ng tr\u00f2n<\/strong>) l\u00e0 t\u1eadp h\u1ee3p c\u1ee7a t\u1ea5t c\u1ea3 nh\u1eefng\u00a0\u0111i\u1ec3m\u00a0tr\u00ean m\u1ed9t\u00a0m\u1eb7t ph\u1eb3ng, c\u00e1ch \u0111\u1ec1u m\u1ed9t \u0111i\u1ec3m cho tr\u01b0\u1edbc b\u1eb1ng m\u1ed9t\u00a0kho\u1ea3ng c\u00e1ch\u00a0n\u00e0o \u0111\u00f3. \u0110i\u1ec3m cho tr\u01b0\u1edbc g\u1ecdi l\u00e0\u00a0<strong>t\u00e2m<\/strong>\u00a0c\u1ee7a \u0111\u01b0\u1eddng tr\u00f2n, c\u00f2n kho\u1ea3ng cho tr\u01b0\u1edbc g\u1ecdi l\u00e0\u00a0<strong>b\u00e1n k\u00ednh<\/strong>\u00a0c\u1ee7a \u0111\u01b0\u1eddng tr\u00f2n. \u0110\u01b0\u1eddng tr\u00f2n t\u00e2m O b\u00e1n k\u00ednh R k\u00fd hi\u1ec7u l\u00e0 (O;R)<\/p>\n\n\n\n<p>\u0110\u01b0\u1eddng tr\u00f2n l\u00e0 m\u1ed9t h\u00ecnh kh\u00e9p k\u00edn \u0111\u01a1n gi\u1ea3n chia m\u1eb7t ph\u1eb3ng ra l\u00e0m 2 ph\u1ea7n: ph\u1ea7n b\u00ean trong v\u00e0 ph\u1ea7n b\u00ean ngo\u00e0i. Trong khi &#8220;\u0111\u01b0\u1eddng tr\u00f2n&#8221; ranh gi\u1edbi c\u1ee7a h\u00ecnh, &#8220;h\u00ecnh tr\u00f2n&#8221; bao g\u1ed3m c\u1ea3 ranh gi\u1edbi v\u00e0 ph\u1ea7n b\u00ean trong.<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter\"><a href=\"https:\/\/vi.wikipedia.org\/wiki\/T%E1%BA%ADp_tin:Circle-withsegments.svg\"><img decoding=\"async\" src=\"https:\/\/upload.wikimedia.org\/wikipedia\/commons\/thumb\/0\/03\/Circle-withsegments.svg\/220px-Circle-withsegments.svg.png\" alt=\"\u0110\u01b0\u1eddng tr\u00f2n\"\/><\/a><\/figure><\/div>\n\n\n\n<p>M\u1ed9t \u0111\u01b0\u1eddng tr\u00f2n (\u0111en) v\u1edbi chu vi (<em>C<\/em>), \u0111\u01b0\u1eddng k\u00ednh (<em>D<\/em>, xanh), b\u00e1n k\u00ednh (<em>R<\/em>, \u0111\u1ecf) v\u00e0 t\u00e2m (<em>O<\/em>, h\u1ed3ng)<\/p>\n\n\n\n<p>\u0110\u01b0\u1eddng tr\u00f2n c\u0169ng \u0111\u01b0\u1ee3c \u0111\u1ecbnh ngh\u0129a l\u00e0 m\u1ed9t\u00a0h\u00ecnh el\u00edp\u00a0\u0111\u1eb7c bi\u1ec7t v\u1edbi hai ti\u00eau \u0111i\u1ec3m tr\u00f9ng nhau v\u00e0\u00a0t\u00e2m sai\u00a0b\u1eb1ng 0. \u0110\u01b0\u1eddng tr\u00f2n c\u0169ng l\u00e0 h\u00ecnh bao quanh nhi\u1ec1u di\u1ec7n t\u00edch nh\u1ea5t tr\u00ean m\u1ed7i \u0111\u01a1n v\u1ecb chu vi b\u00ecnh ph\u01b0\u01a1ng.<\/p>\n\n\n\n<!--more-->\n\n\n\n<p>Th\u00f4ng tin v\u1ec1 s\u1ea3n ph\u1ea9m:<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>H\u1ecdc ph\u1ea7n: Th\u1ef1c h\u00e0nh d\u1ea1y h\u1ecdc To\u00e1n<\/li><li>N\u0103m: 2019<\/li><li>T\u00e1c gi\u1ea3:\u00a0<a href=\"https:\/\/drive.google.com\/file\/d\/1uiLfTopdTm8BVwbvAoEOyzX7BfyaOIEo\/view?usp=sharing\">Nguy\u1ec5n Th\u1ecb V\u00e2n Anh<\/a>, <a href=\"https:\/\/drive.google.com\/file\/d\/1hmDUBcVnwcNkFdnU3J1tJhRPjgxALOPE\/view?usp=sharing\">D\u01b0\u01a1ng C\u1ea9m Qu\u1ef3nh Oanh<\/a>, <a href=\"https:\/\/drive.google.com\/file\/d\/1yPd0HDSCcUzBvax7_A0u1Zari5ukxG6i\/view?usp=sharing\">L\u00ea Ch\u00ed M\u01b0\u1eddi<\/a>, <a href=\"https:\/\/drive.google.com\/file\/d\/1M_1Ny3hm3X0kqhPlw-MF2fF2-diXaQpz\/view?usp=sharing\">L\u00ea Th\u1ecb My Ny<\/a>, <a href=\"https:\/\/drive.google.com\/file\/d\/1rIFTqFEV38IcINcnYs_wemEO0MhuNox4\/view?usp=sharing\">Nguy\u1ec5n Th\u1ecb Nhung<\/a>, <a href=\"https:\/\/drive.google.com\/file\/d\/1u8lGrTxHAn8CQ_9qDPMbjepQw3ExlzrI\/view?usp=sharing\">Hu\u1ef3nh Quang Nh\u1eadt Sinh<\/a>, <a href=\"https:\/\/drive.google.com\/file\/d\/1tSCpuAKrkyJ1sru-GFg8fkc9wZPCWeAl\/view?usp=sharing\">Nguy\u1ec5n Th\u1ecb Ho\u00e0i Th\u01b0\u01a1ng<\/a>, <a href=\"https:\/\/drive.google.com\/file\/d\/1I4HaSWevZh7z2iHroVgudf7NIGAO64jg\/view?usp=sharing\">Nguy\u1ec5n Th\u1ecb B\u1ea3o Uy\u00ean<\/a>, <a href=\"https:\/\/drive.google.com\/file\/d\/1uO0bsTqX2ATv630x5vQCjS9r761-zbtd\/view?usp=sharing\">T\u00f4n N\u1eef Thanh V\u00e2n<\/a><\/li><li>T\u1ea3i v\u1ec1 (pdf):\u00a0Nh\u1ea5n chu\u1ed9t v\u00e0o t\u00ean c\u00e1c t\u00e1c gi\u1ea3 \u0111\u1ec3 t\u1ea3i.<\/li><\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Trong\u00a0h\u00ecnh h\u1ecdc ph\u1eb3ng,\u00a0\u0111\u01b0\u1eddng tr\u00f2n\u00a0(ho\u1eb7c\u00a0v\u00f2ng tr\u00f2n) l\u00e0 t\u1eadp h\u1ee3p c\u1ee7a t\u1ea5t c\u1ea3 nh\u1eefng\u00a0\u0111i\u1ec3m\u00a0tr\u00ean m\u1ed9t\u00a0m\u1eb7t ph\u1eb3ng, c\u00e1ch \u0111\u1ec1u m\u1ed9t \u0111i\u1ec3m cho tr\u01b0\u1edbc b\u1eb1ng m\u1ed9t\u00a0kho\u1ea3ng c\u00e1ch\u00a0n\u00e0o \u0111\u00f3. \u0110i\u1ec3m cho tr\u01b0\u1edbc g\u1ecdi l\u00e0\u00a0t\u00e2m\u00a0c\u1ee7a \u0111\u01b0\u1eddng tr\u00f2n, c\u00f2n kho\u1ea3ng cho tr\u01b0\u1edbc g\u1ecdi l\u00e0\u00a0b\u00e1n k\u00ednh\u00a0c\u1ee7a \u0111\u01b0\u1eddng tr\u00f2n. \u0110\u01b0\u1eddng tr\u00f2n t\u00e2m O b\u00e1n k\u00ednh R k\u00fd hi\u1ec7u l\u00e0 (O;R) \u0110\u01b0\u1eddng tr\u00f2n l\u00e0 m\u1ed9t [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[9],"tags":[57,122],"class_list":["post-1204","post","type-post","status-publish","format-standard","hentry","category-thuc-hanh-day-hoc-toan","tag-duong-tron","tag-phuong-trinh"],"_links":{"self":[{"href":"https:\/\/truyenthong.edu.vn\/sanpham\/wp-json\/wp\/v2\/posts\/1204","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/truyenthong.edu.vn\/sanpham\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/truyenthong.edu.vn\/sanpham\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/truyenthong.edu.vn\/sanpham\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/truyenthong.edu.vn\/sanpham\/wp-json\/wp\/v2\/comments?post=1204"}],"version-history":[{"count":0,"href":"https:\/\/truyenthong.edu.vn\/sanpham\/wp-json\/wp\/v2\/posts\/1204\/revisions"}],"wp:attachment":[{"href":"https:\/\/truyenthong.edu.vn\/sanpham\/wp-json\/wp\/v2\/media?parent=1204"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/truyenthong.edu.vn\/sanpham\/wp-json\/wp\/v2\/categories?post=1204"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/truyenthong.edu.vn\/sanpham\/wp-json\/wp\/v2\/tags?post=1204"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}