\u0110\u1ec1 thi h\u1ecdc k\u00ec 2 l\u1edbp 11 m\u00f4n To\u00e1n c\u1ee7a tr\u01b0\u1eddng THPT Tr\u01b0ng V\u01b0\u01a1ng n\u0103m 2016, \u0111\u01b0\u1ee3c c\u1eadp nh\u1eadt d\u01b0\u1edbi \u0111\u00e2y, c\u00e1c em c\u00f9ng tham kh\u1ea3o nh\u00e9:<\/p>\n
\n
II. Ph\u1ea7n t\u1ef1 lu\u1eadn<\/strong><\/p>\nB\u00e0i 2<\/strong><\/p>\nCho h\u00e0m s\u1ed1 y = f(x) = x3<\/sup> \u2013 3x2<\/sup> + 2 c\u00f3 \u0111\u1ed3 th\u1ecb (C )<\/p>\na)\u00a0\u00a0\u00a0\u00a0\u00a0 Vi\u1ebft ph\u01b0\u01a1ng tr\u00ecnh ti\u1ebfp tuy\u1ebfn c\u1ee7a \u0111\u1ed3 th\u1ecb (C) bi\u1ebft ho\u00e0nh \u0111\u1ed9 ti\u1ebfp \u0111i\u1ec3m x0<\/sub> = 2<\/p>\nb)\u00a0\u00a0\u00a0\u00a0\u00a0 Vi\u1ebft ph\u01b0\u01a1ng tr\u00ecnh ti\u1ebfp tuy\u1ebfn c\u1ee7a \u0111\u1ed3 th\u1ecb \u00a0(C ) bi\u1ebft ti\u1ebfp tuy\u1ebfn song song v\u1edbi \u0111\u01b0\u1eddng th\u1eb3ng (delta) : y = – 3x + 2010<\/p>\n
B\u00e0i 3<\/strong><\/p>\nCho h\u00ecnh ch\u00f3p SABCD c\u00f3 \u0111\u00e1y ABCD l\u00e0 h\u00ecnh vu\u00f4ng t\u00e2m O c\u1ea1nh a, c\u1ea1nh SA vu\u00f4ng g\u00f3c v\u1edbi m\u1eb7t ph\u1eb3ng \u0111\u00e1y ( ABCD) v\u00e0 SA = a. g\u1ecdi H, I, K l\u1ea7n l\u01b0\u1ee3t l\u00e0 h\u00ecnh chi\u1ebfu c\u1ee7a A l\u00ean SB, SC, SD<\/p>\n
a)\u00a0\u00a0\u00a0\u00a0\u00a0 Ch\u1ee9ng minh r\u1eb1ng BC vu\u00f4ng g\u00f3c v\u1edbi (SAB)<\/p>\n
b)\u00a0\u00a0\u00a0\u00a0\u00a0 Ch\u1ee9ng minh (AHK) vu\u00f4ng g\u00f3c (SAC); I thu\u1ed9c (AHK)<\/p>\n
c)\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 T\u00ednh di\u1ec7n t\u00edch t\u1ee9 gi\u00e1c AHIK theo a<\/p>\n
![\"\"](\"http:\/\/img.toanhoc247.com\/picture\/2016\/0506\/toan-11-result_1.png\")
<\/p>\n
<\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"
\u0110\u1ec1 thi h\u1ecdc k\u00ec 2 l\u1edbp 11 m\u00f4n To\u00e1n c\u1ee7a tr\u01b0\u1eddng THPT Tr\u01b0ng V\u01b0\u01a1ng n\u0103m 2016, \u0111\u01b0\u1ee3c c\u1eadp nh\u1eadt d\u01b0\u1edbi \u0111\u00e2y, c\u00e1c em c\u00f9ng tham kh\u1ea3o nh\u00e9: II. Ph\u1ea7n t\u1ef1 lu\u1eadn B\u00e0i 2 Cho h\u00e0m s\u1ed1 y = f(x) = x3 \u2013 3×2 + 2 c\u00f3 \u0111\u1ed3 th\u1ecb (C ) a)\u00a0\u00a0\u00a0\u00a0\u00a0 Vi\u1ebft ph\u01b0\u01a1ng tr\u00ecnh ti\u1ebfp […]<\/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
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Ph\u1ea7n t\u1ef1 lu\u1eadn B\u00e0i 2 Cho h\u00e0m s\u1ed1 y = f(x) = x3 \u2013 3x2 + 2 c\u00f3 \u0111\u1ed3 th\u1ecb (C ) a)\u00a0\u00a0\u00a0\u00a0\u00a0 Vi\u1ebft ph\u01b0\u01a1ng tr\u00ecnh ti\u1ebfp […]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/lop12.edu.vn\/de-thi-hoc-ki-2-mon-toan-11-nam-2016-thpt-trung-vuong\/\" \/>\n<meta property=\"og:site_name\" content=\"Lop12.edu.vn - C\u1ed9ng \u0111\u1ed3ng h\u1ecdc sinh l\u1edbp 12 l\u1edbn nh\u1ea5t t\u1ea1i Vi\u1ec7t Nam\" \/>\n<meta property=\"article:published_time\" content=\"2016-11-22T07:31:52+00:00\" \/>\n<meta property=\"og:image\" content=\"http:\/\/img.toanhoc247.com\/picture\/2016\/0506\/toan-11-result_1.png\" \/>\n<meta name=\"author\" content=\"Thu H\u01b0\u01a1ng\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Thu H\u01b0\u01a1ng\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/lop12.edu.vn\/de-thi-hoc-ki-2-mon-toan-11-nam-2016-thpt-trung-vuong\/\",\"url\":\"https:\/\/lop12.edu.vn\/de-thi-hoc-ki-2-mon-toan-11-nam-2016-thpt-trung-vuong\/\",\"name\":\"\u0110\u1ec1 thi h\u1ecdc k\u00ec 2 m\u00f4n To\u00e1n 11 n\u0103m 2016 THPT Tr\u01b0ng V\u01b0\u01a1ng\",\"isPartOf\":{\"@id\":\"https:\/\/lop12.edu.vn\/#website\"},\"datePublished\":\"2016-11-22T07:31:52+00:00\",\"dateModified\":\"2016-11-22T07:31:52+00:00\",\"author\":{\"@id\":\"https:\/\/lop12.edu.vn\/#\/schema\/person\/a37935c3c859cc908088334047878c87\"},\"breadcrumb\":{\"@id\":\"https:\/\/lop12.edu.vn\/de-thi-hoc-ki-2-mon-toan-11-nam-2016-thpt-trung-vuong\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/lop12.edu.vn\/de-thi-hoc-ki-2-mon-toan-11-nam-2016-thpt-trung-vuong\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/lop12.edu.vn\/de-thi-hoc-ki-2-mon-toan-11-nam-2016-thpt-trung-vuong\/#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 m\u00f4n To\u00e1n 11 n\u0103m 2016 THPT Tr\u01b0ng V\u01b0\u01a1ng\"}]},{\"@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\/\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"\u0110\u1ec1 thi h\u1ecdc k\u00ec 2 m\u00f4n To\u00e1n 11 n\u0103m 2016 THPT Tr\u01b0ng V\u01b0\u01a1ng","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/lop12.edu.vn\/de-thi-hoc-ki-2-mon-toan-11-nam-2016-thpt-trung-vuong\/","og_locale":"en_US","og_type":"article","og_title":"\u0110\u1ec1 thi h\u1ecdc k\u00ec 2 m\u00f4n To\u00e1n 11 n\u0103m 2016 THPT Tr\u01b0ng V\u01b0\u01a1ng","og_description":"\u0110\u1ec1 thi h\u1ecdc k\u00ec 2 l\u1edbp 11 m\u00f4n To\u00e1n c\u1ee7a tr\u01b0\u1eddng THPT Tr\u01b0ng V\u01b0\u01a1ng n\u0103m 2016, \u0111\u01b0\u1ee3c c\u1eadp nh\u1eadt d\u01b0\u1edbi \u0111\u00e2y, c\u00e1c em c\u00f9ng tham kh\u1ea3o nh\u00e9: II. 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