\u0110\u1ec1 thi h\u1ecdc k\u00ec 2 n\u0103m 2016 m\u00f4n To\u00e1n 11 S\u1edf GD B\u1eafc Ninh<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/lop12.edu.vn\/de-thi-hoc-ki-2-nam-2016-mon-toan-11-gd-bac-ninh\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u0110\u1ec1 thi h\u1ecdc k\u00ec 2 n\u0103m 2016 m\u00f4n To\u00e1n 11 S\u1edf GD B\u1eafc Ninh\" \/>\n<meta property=\"og:description\" content=\"\u0110\u1ec1 thi h\u1ecdc k\u00ec 2 l\u1edbp 11 m\u00f4n To\u00e1n c\u1ee7a S\u1edf GD&\u0110T B\u1eafc Ninh n\u0103m 2016, t\u1ed5 ch\u1ee9c thi ng\u00e0y 07\/05\/2016, gi\u00fap em c\u1ee7ng c\u1ed1 ki\u1ebfn th\u1ee9c chu\u1ea9n b\u1ecb t\u1ed1t cho k\u00ec thi quan tr\u1ecdng s\u1eafp t\u1edbi: C\u00e2u 3 ( 1 \u0111i\u1ec3m) cho h\u00e0m s\u1ed1 \u00a0. 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Ch\u1ee9ng minh r\u1eb1ng h\u00e0m s\u1ed1 f(x) li\u00ean t\u1ee5c t\u1ea1i […]","og_url":"https:\/\/lop12.edu.vn\/de-thi-hoc-ki-2-nam-2016-mon-toan-11-gd-bac-ninh\/","og_site_name":"Lop12.edu.vn - C\u1ed9ng \u0111\u1ed3ng h\u1ecdc sinh l\u1edbp 12 l\u1edbn nh\u1ea5t t\u1ea1i Vi\u1ec7t Nam","article_published_time":"2016-11-22T08:28:29+00:00","og_image":[{"url":"http:\/\/latex.codecogs.com\/gif.latex?f(x)=\\frac{1}{1+\\left&space;|&space;x&space;\\right&space;|}"}],"author":"Thu H\u01b0\u01a1ng","twitter_card":"summary_large_image","twitter_misc":{"Written by":"Thu H\u01b0\u01a1ng","Est. reading time":"1 minute"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/lop12.edu.vn\/de-thi-hoc-ki-2-nam-2016-mon-toan-11-gd-bac-ninh\/","url":"https:\/\/lop12.edu.vn\/de-thi-hoc-ki-2-nam-2016-mon-toan-11-gd-bac-ninh\/","name":"\u0110\u1ec1 thi h\u1ecdc k\u00ec 2 n\u0103m 2016 m\u00f4n To\u00e1n 11 S\u1edf GD B\u1eafc Ninh","isPartOf":{"@id":"https:\/\/lop12.edu.vn\/#website"},"datePublished":"2016-11-22T08:28:29+00:00","dateModified":"2016-11-22T08:28:29+00:00","author":{"@id":"https:\/\/lop12.edu.vn\/#\/schema\/person\/a37935c3c859cc908088334047878c87"},"breadcrumb":{"@id":"https:\/\/lop12.edu.vn\/de-thi-hoc-ki-2-nam-2016-mon-toan-11-gd-bac-ninh\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/lop12.edu.vn\/de-thi-hoc-ki-2-nam-2016-mon-toan-11-gd-bac-ninh\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/lop12.edu.vn\/de-thi-hoc-ki-2-nam-2016-mon-toan-11-gd-bac-ninh\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/lop12.edu.vn\/"},{"@type":"ListItem","position":2,"name":"\u0110\u1ec1 thi h\u1ecdc k\u00ec 2 n\u0103m 2016 m\u00f4n To\u00e1n 11 S\u1edf GD B\u1eafc Ninh"}]},{"@type":"WebSite","@id":"https:\/\/lop12.edu.vn\/#website","url":"https:\/\/lop12.edu.vn\/","name":"Lop12.edu.vn - C\u1ed9ng \u0111\u1ed3ng h\u1ecdc sinh l\u1edbp 12","description":"","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/lop12.edu.vn\/?s={search_term_string}"},"query-input":"required name=search_term_string"}],"inLanguage":"en-US"},{"@type":"Person","@id":"https:\/\/lop12.edu.vn\/#\/schema\/person\/a37935c3c859cc908088334047878c87","name":"Thu H\u01b0\u01a1ng","image":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/lop12.edu.vn\/#\/schema\/person\/image\/","url":"https:\/\/secure.gravatar.com\/avatar\/5cb73f4a14844c4a42ce9b1decae8026?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/5cb73f4a14844c4a42ce9b1decae8026?s=96&d=mm&r=g","caption":"Thu H\u01b0\u01a1ng"},"url":"https:\/\/lop12.edu.vn\/author\/huongttt2\/"}]}},"_links":{"self":[{"href":"https:\/\/lop12.edu.vn\/wp-json\/wp\/v2\/posts\/6764"}],"collection":[{"href":"https:\/\/lop12.edu.vn\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/lop12.edu.vn\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/lop12.edu.vn\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/lop12.edu.vn\/wp-json\/wp\/v2\/comments?post=6764"}],"version-history":[{"count":1,"href":"https:\/\/lop12.edu.vn\/wp-json\/wp\/v2\/posts\/6764\/revisions"}],"predecessor-version":[{"id":6768,"href":"https:\/\/lop12.edu.vn\/wp-json\/wp\/v2\/posts\/6764\/revisions\/6768"}],"wp:attachment":[{"href":"https:\/\/lop12.edu.vn\/wp-json\/wp\/v2\/media?parent=6764"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lop12.edu.vn\/wp-json\/wp\/v2\/categories?post=6764"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lop12.edu.vn\/wp-json\/wp\/v2\/tags?post=6764"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}

{"id":6764,"date":"2016-11-22T08:28:29","date_gmt":"2016-11-22T08:28:29","guid":{"rendered":"https:\/\/lop12.edu.vn\/?p=6764"},"modified":"2016-11-22T08:28:29","modified_gmt":"2016-11-22T08:28:29","slug":"de-thi-hoc-ki-2-nam-2016-mon-toan-11-gd-bac-ninh","status":"publish","type":"post","link":"https:\/\/lop12.edu.vn\/de-thi-hoc-ki-2-nam-2016-mon-toan-11-gd-bac-ninh\/","title":{"rendered":"\u0110\u1ec1 thi h\u1ecdc k\u00ec 2 n\u0103m 2016 m\u00f4n To\u00e1n 11 S\u1edf GD B\u1eafc Ninh"},"content":{"rendered":"

C\u00e2u 3 ( 1 \u0111i\u1ec3m)<\/strong><\/p>\n

cho h\u00e0m s\u1ed1 \u00a0 $\"f(x)=\\frac{1}{1+\\left$ . Ch\u1ee9ng minh r\u1eb1ng h\u00e0m s\u1ed1 f(x) li\u00ean t\u1ee5c t\u1ea1i \u0111i\u1ec3m x = 0 nh\u01b0ng kh\u00f4ng c\u00f3 \u0111\u1ea1o h\u00e0m t\u1ea1i \u0111i\u1ec3m n\u00e0y.<\/p>\n

C\u00e2u 4 ( 3,0 \u0111i\u1ec3m)<\/strong><\/p>\n

Cho h\u00ecnh ch\u00f3p S.ABC c\u00f3 tam gi\u00e1c ABC vu\u00f4ng c\u00e2n t\u1ea1i C. G\u1ecdi H, I l\u1ea7n l\u01b0\u1ee3t l\u00e0 trung \u0111i\u1ec3m c\u1ee7a c\u1ea1nh AB, AC. Bi\u1ebft r\u1eb1ng SH vu\u00f4ng g\u00f3c v\u1edbi m\u1eb7t ph\u1eb3ng (ABC) v\u00e0 AB = SH = a.<\/p>\n

1. ch\u1ee9ng minh \u0111\u01b0\u1eddng th\u1eb3ng CH vu\u00f4ng g\u00f3c v\u1edbi m\u1eb7t ph\u1eb3ng (SAB)<\/p>\n

2.\u00a0 ch\u1ee9ng minh m\u1eb7t ph\u1eb3ng (SHI) vu\u00f4ng g\u00f3c v\u1edbi m\u1eb7t ph\u1eb3ng (SAC)<\/p>\n

3. t\u00ednh cosin g\u00f3c gi\u1eefa hai m\u1eb7t ph\u1eb3ng (SAB) V\u00c0 (SAC).<\/p>\n

$\"\"$ <\/p>\n

<\/p>\n","protected":false},"excerpt":{"rendered":"

\u0110\u1ec1 thi h\u1ecdc k\u00ec 2 l\u1edbp 11 m\u00f4n To\u00e1n c\u1ee7a S\u1edf GD&\u0110T B\u1eafc Ninh n\u0103m 2016, t\u1ed5 ch\u1ee9c thi ng\u00e0y 07\/05\/2016, gi\u00fap em c\u1ee7ng c\u1ed1 ki\u1ebfn th\u1ee9c chu\u1ea9n b\u1ecb t\u1ed1t cho k\u00ec thi quan tr\u1ecdng s\u1eafp t\u1edbi: C\u00e2u 3 ( 1 \u0111i\u1ec3m) cho h\u00e0m s\u1ed1 \u00a0. Ch\u1ee9ng minh r\u1eb1ng h\u00e0m s\u1ed1 f(x) li\u00ean t\u1ee5c t\u1ea1i […]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_mi_skip_tracking":false,"tdm_status":"","tdm_grid_status":""},"categories":[171],"tags":[],"yoast_head":"\n\u0110\u1ec1 thi h\u1ecdc k\u00ec 2 n\u0103m 2016 m\u00f4n To\u00e1n 11 S\u1edf GD B\u1eafc Ninh<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/lop12.edu.vn\/de-thi-hoc-ki-2-nam-2016-mon-toan-11-gd-bac-ninh\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u0110\u1ec1 thi h\u1ecdc k\u00ec 2 n\u0103m 2016 m\u00f4n To\u00e1n 11 S\u1edf GD B\u1eafc Ninh\" \/>\n<meta property=\"og:description\" content=\"\u0110\u1ec1 thi h\u1ecdc k\u00ec 2 l\u1edbp 11 m\u00f4n To\u00e1n c\u1ee7a S\u1edf GD&\u0110T B\u1eafc Ninh n\u0103m 2016, t\u1ed5 ch\u1ee9c thi ng\u00e0y 07\/05\/2016, gi\u00fap em c\u1ee7ng c\u1ed1 ki\u1ebfn th\u1ee9c chu\u1ea9n b\u1ecb t\u1ed1t cho k\u00ec thi quan tr\u1ecdng s\u1eafp t\u1edbi: C\u00e2u 3 ( 1 \u0111i\u1ec3m) cho h\u00e0m s\u1ed1 \u00a0. 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