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{"id":27678,"date":"2018-04-18T17:31:30","date_gmt":"2018-04-18T10:31:30","guid":{"rendered":"https:\/\/lop12.edu.vn\/?p=27678"},"modified":"2018-04-18T17:31:30","modified_gmt":"2018-04-18T10:31:30","slug":"chuong-1-de-kiem-tra-giai-tich-12-chuong-1-phan-4","status":"publish","type":"post","link":"https:\/\/lop12.edu.vn\/chuong-1-de-kiem-tra-giai-tich-12-chuong-1-phan-4\/","title":{"rendered":"Ch\u01b0\u01a1ng 1 – \u0110\u1ec1 ki\u1ec3m tra Gi\u1ea3i t\u00edch 12 ch\u01b0\u01a1ng 1 (Ph\u1ea7n 4)"},"content":{"rendered":"

C\u00e2u 19:<\/b>\u00a0T\u00ecm m \u0111\u1ec3 y = x4<\/sup>\u00a0– 2mx2<\/sup>\u00a0+ m3<\/sup>\u00a0– m2<\/sup>\u00a0ti\u1ebfp x\u00fac v\u1edbi tr\u1ee5c ho\u00e0nh t\u1ea1i hai \u0111i\u1ec3m<\/p>\n

A. m = 2 \u00a0\u00a0\u00a0B. m = -2\u00a0\u00a0\u00a0 C. m = 1\u00a0\u00a0\u00a0D. m = -1<\/p>\n

C\u00e2u 20:<\/b>\u00a0Ng\u01b0\u1eddi ta c\u1ea7n l\u00e0m m\u1ed9t c\u00e1i th\u00f9ng h\u00ecnh tr\u1ee5 c\u00f3 th\u1ec3 t\u00edch 192\u03c0(m3<\/sup>). Ch\u1ea5t li\u1ec7u \u0111\u1ec3 l\u00e0m m\u1eb7t b\u00ean th\u00f9ng c\u00f3 gi\u00e1 l\u00e0 3$\/ m2<\/sup>\u00a0, v\u00e0 ch\u1ea5t li\u1ec7u \u0111\u1ec3 l\u00e0m \u0111\u1ea7y th\u00f9ng c\u00f3 gi\u00e1 l\u00e0 9$\/m2<\/sup>\u00a0. B\u00e1n k\u00ednh c\u1ee7a th\u00f9ng \u0111\u1ec3 t\u1ed1n \u00edt ti\u1ec1n nh\u1ea5t l\u00e0:<\/p>\n

A. 4m\u00a0\u00a0\u00a0B. 6m\u00a0\u00a0\u00a0C. 8m\u00a0\u00a0\u00a0D. 4\u221b2 m<\/p>\n

C\u00e2u 21:<\/b>\u00a0T\u00ecm m \u0111\u1ec3 ph\u01b0\u01a1ng tr\u00ecnh x3<\/sup>\u00a0– 3x2<\/sup>\u00a0– 9x – 2m + 1 = 0 c\u00f3 ba nghi\u1ec7m ph\u00e2n bi\u1ec7t<\/p>\n

A. -13 < m < 3 \u00a0\u00a0\u00a0B. m > 6\u00a0\u00a0\u00a0C. -26 < m < 6 \u00a0\u00a0\u00a0 D. m < -13<\/p>\n

C\u00e2u 22:<\/b>\u00a0T\u00ecm m \u0111\u1ec3 ph\u01b0\u01a1ng tr\u00ecnh |x2<\/sup>\u00a0– 2x – 3|- 2m = 0 c\u00f3 b\u1ed1n nghi\u1ec7m ph\u00e2n bi\u1ec7t<\/p>\n

A. m > 4 \u00a0\u00a0\u00a0B. m < 2 \u00a0\u00a0\u00a0C. 0 < m < 2 \u00a0\u00a0\u00a0D. 0 < m < 4<\/p>\n

C\u00e2u 23:<\/b>\u00a0T\u00ecm m \u0111\u1ec3<\/p>\n

\"\"<\/p>\n

c\u00f3 \u00edt nh\u1ea5t m\u1ed9t nghi\u1ec7m thu\u1ed9c<\/p>\n

A. m = -1 \u00a0\u00a0\u00a0B. m > -1 \u00a0\u00a0\u00a0C. m > 2 \u00a0\u00a0\u00a0D. 0 \u2264 m \u2264 2<\/p>\n

C\u00e2u 24:<\/b>\u00a0T\u00ecm m \u0111\u1ec3 \u0111\u1ed3 th\u1ecb h\u00e0m s\u1ed1 y = x4<\/sup>\u00a0– 2(m + 1)x2<\/sup>\u00a0+ m2<\/sup>\u00a0c\u00f3 ba \u0111i\u1ec3m c\u1ef1c tr\u1ecb t\u1ea1o th\u00e0nh ba \u0111\u1ec9nh c\u1ee7a m\u1ed9t tam gi\u00e1c vu\u00f4ng.<\/p>\n

A. m = 0 \u00a0\u00a0\u00a0 B. m = -1 \u00a0\u00a0\u00a0 C. m = 0 ho\u1eb7c m = -1 \u00a0\u00a0\u00a0 D. Kh\u00f4ng c\u00f3 \u0111\u00e1p \u00e1n<\/p>\n

C\u00e2u 25:<\/b>\u00a0C\u1eaft b\u1ecf h\u00ecnh qu\u1ea1t OAB (ph\u1ea7n \u0111\u01b0\u1ee3c t\u00f4) t\u1eeb m\u1ed9t m\u1ea3nh nh\u00f4m h\u00ecnh tr\u00f2n b\u00e1n k\u00ednh R r\u1ed3i g\u1eafn hai b\u00e1n k\u00ednh OA v\u00e0 OB c\u1ee7a h\u00ecnh qu\u1ea1t tr\u00f2n c\u00f2n l\u1ea1i v\u1edbi nhau \u0111\u1ec3 \u0111\u01b0\u1ee3c m\u1ed9t c\u00e1i ph\u1ec5u m\u00fac n\u01b0\u1edbc c\u00f3 d\u1ea1ng h\u00ecnh n\u00f3n. G\u00f3c \u1edf t\u00e2m c\u1ee7a h\u00ecnh qu\u1ea1t b\u1ecb c\u1eaft b\u1ecf x\u1ea5p x\u1ec9 b\u1eb1ng bao nhi\u00eau \u0111\u1ed9 \u0111\u1ec3 c\u00e1i ph\u1ec5u c\u00f3 th\u1ec3 t\u00edch l\u1edbn nh\u1ea5t?<\/p>\n

\"\"<\/p>\n

A. 34o<\/sup>\u00a0\u00a0\u00a0\u00a0B. 45o<\/sup>\u00a0\u00a0\u00a0\u00a0 C. 66o<\/sup>\u00a0\u00a0\u00a0\u00a0 D. 90o<\/sup><\/p>\n

H\u01b0\u1edbng d\u1eabn gi\u1ea3i v\u00e0 \u0110\u00e1p \u00e1n<\/b><\/p>\n\n\n\n
19-A<\/td>\n20-A<\/td>\n21-A<\/td>\n22-C<\/td>\n23-D<\/td>\n24-A<\/td>\n25-C<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"excerpt":{"rendered":"

C\u00e2u 19:\u00a0T\u00ecm m \u0111\u1ec3 y = x4\u00a0– 2mx2\u00a0+ m3\u00a0– m2\u00a0ti\u1ebfp x\u00fac v\u1edbi tr\u1ee5c ho\u00e0nh t\u1ea1i hai \u0111i\u1ec3m A. m = 2 \u00a0\u00a0\u00a0B. m = -2\u00a0\u00a0\u00a0 C. m = 1\u00a0\u00a0\u00a0D. m = -1 C\u00e2u 20:\u00a0Ng\u01b0\u1eddi ta c\u1ea7n l\u00e0m m\u1ed9t c\u00e1i th\u00f9ng h\u00ecnh tr\u1ee5 c\u00f3 th\u1ec3 t\u00edch 192\u03c0(m3). Ch\u1ea5t li\u1ec7u \u0111\u1ec3 l\u00e0m m\u1eb7t b\u00ean th\u00f9ng c\u00f3 gi\u00e1 […]<\/p>\n","protected":false},"author":3,"featured_media":27679,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_mi_skip_tracking":false,"tdm_status":"","tdm_grid_status":""},"categories":[157],"tags":[1447,1446],"yoast_head":"\nCh\u01b0\u01a1ng 1 - \u0110\u1ec1 ki\u1ec3m tra Gi\u1ea3i t\u00edch 12 ch\u01b0\u01a1ng 1 (Ph\u1ea7n 4)<\/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\/chuong-1-de-kiem-tra-giai-tich-12-chuong-1-phan-4\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Ch\u01b0\u01a1ng 1 - \u0110\u1ec1 ki\u1ec3m tra Gi\u1ea3i t\u00edch 12 ch\u01b0\u01a1ng 1 (Ph\u1ea7n 4)\" \/>\n<meta property=\"og:description\" content=\"C\u00e2u 19:\u00a0T\u00ecm m \u0111\u1ec3 y = x4\u00a0– 2mx2\u00a0+ m3\u00a0– m2\u00a0ti\u1ebfp x\u00fac v\u1edbi tr\u1ee5c ho\u00e0nh t\u1ea1i hai \u0111i\u1ec3m A. m = 2 \u00a0\u00a0\u00a0B. m = -2\u00a0\u00a0\u00a0 C. m = 1\u00a0\u00a0\u00a0D. m = -1 C\u00e2u 20:\u00a0Ng\u01b0\u1eddi ta c\u1ea7n l\u00e0m m\u1ed9t c\u00e1i th\u00f9ng h\u00ecnh tr\u1ee5 c\u00f3 th\u1ec3 t\u00edch 192\u03c0(m3). Ch\u1ea5t li\u1ec7u \u0111\u1ec3 l\u00e0m m\u1eb7t b\u00ean th\u00f9ng c\u00f3 gi\u00e1 […]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/lop12.edu.vn\/chuong-1-de-kiem-tra-giai-tich-12-chuong-1-phan-4\/\" \/>\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=\"2018-04-18T10:31:30+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/lop12.edu.vn\/wp-content\/uploads\/2018\/04\/1-257.png\" \/>\n\t<meta property=\"og:image:width\" content=\"198\" \/>\n\t<meta property=\"og:image:height\" content=\"33\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"author\" content=\"H\u00e0 Trang\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"H\u00e0 Trang\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/lop12.edu.vn\/chuong-1-de-kiem-tra-giai-tich-12-chuong-1-phan-4\/\",\"url\":\"https:\/\/lop12.edu.vn\/chuong-1-de-kiem-tra-giai-tich-12-chuong-1-phan-4\/\",\"name\":\"Ch\u01b0\u01a1ng 1 - \u0110\u1ec1 ki\u1ec3m tra Gi\u1ea3i t\u00edch 12 ch\u01b0\u01a1ng 1 (Ph\u1ea7n 4)\",\"isPartOf\":{\"@id\":\"https:\/\/lop12.edu.vn\/#website\"},\"datePublished\":\"2018-04-18T10:31:30+00:00\",\"dateModified\":\"2018-04-18T10:31:30+00:00\",\"author\":{\"@id\":\"https:\/\/lop12.edu.vn\/#\/schema\/person\/2da855e5d06b553ac0065157cc261a45\"},\"breadcrumb\":{\"@id\":\"https:\/\/lop12.edu.vn\/chuong-1-de-kiem-tra-giai-tich-12-chuong-1-phan-4\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/lop12.edu.vn\/chuong-1-de-kiem-tra-giai-tich-12-chuong-1-phan-4\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/lop12.edu.vn\/chuong-1-de-kiem-tra-giai-tich-12-chuong-1-phan-4\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/lop12.edu.vn\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Ch\u01b0\u01a1ng 1 – \u0110\u1ec1 ki\u1ec3m tra Gi\u1ea3i t\u00edch 12 ch\u01b0\u01a1ng 1 (Ph\u1ea7n 4)\"}]},{\"@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\/2da855e5d06b553ac0065157cc261a45\",\"name\":\"H\u00e0 Trang\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/lop12.edu.vn\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/secure.gravatar.com\/avatar\/545a8100db1147f314111301d261dc33?s=96&d=mm&r=g\",\"contentUrl\":\"https:\/\/secure.gravatar.com\/avatar\/545a8100db1147f314111301d261dc33?s=96&d=mm&r=g\",\"caption\":\"H\u00e0 Trang\"},\"url\":\"https:\/\/lop12.edu.vn\/author\/trangvth2\/\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Ch\u01b0\u01a1ng 1 - \u0110\u1ec1 ki\u1ec3m tra Gi\u1ea3i t\u00edch 12 ch\u01b0\u01a1ng 1 (Ph\u1ea7n 4)","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\/chuong-1-de-kiem-tra-giai-tich-12-chuong-1-phan-4\/","og_locale":"en_US","og_type":"article","og_title":"Ch\u01b0\u01a1ng 1 - \u0110\u1ec1 ki\u1ec3m tra Gi\u1ea3i t\u00edch 12 ch\u01b0\u01a1ng 1 (Ph\u1ea7n 4)","og_description":"C\u00e2u 19:\u00a0T\u00ecm m \u0111\u1ec3 y = x4\u00a0– 2mx2\u00a0+ m3\u00a0– m2\u00a0ti\u1ebfp x\u00fac v\u1edbi tr\u1ee5c ho\u00e0nh t\u1ea1i hai \u0111i\u1ec3m A. m = 2 \u00a0\u00a0\u00a0B. m = -2\u00a0\u00a0\u00a0 C. m = 1\u00a0\u00a0\u00a0D. m = -1 C\u00e2u 20:\u00a0Ng\u01b0\u1eddi ta c\u1ea7n l\u00e0m m\u1ed9t c\u00e1i th\u00f9ng h\u00ecnh tr\u1ee5 c\u00f3 th\u1ec3 t\u00edch 192\u03c0(m3). Ch\u1ea5t li\u1ec7u \u0111\u1ec3 l\u00e0m m\u1eb7t b\u00ean th\u00f9ng c\u00f3 gi\u00e1 […]","og_url":"https:\/\/lop12.edu.vn\/chuong-1-de-kiem-tra-giai-tich-12-chuong-1-phan-4\/","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":"2018-04-18T10:31:30+00:00","og_image":[{"width":198,"height":33,"url":"https:\/\/lop12.edu.vn\/wp-content\/uploads\/2018\/04\/1-257.png","type":"image\/png"}],"author":"H\u00e0 Trang","twitter_card":"summary_large_image","twitter_misc":{"Written by":"H\u00e0 Trang","Est. reading time":"2 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/lop12.edu.vn\/chuong-1-de-kiem-tra-giai-tich-12-chuong-1-phan-4\/","url":"https:\/\/lop12.edu.vn\/chuong-1-de-kiem-tra-giai-tich-12-chuong-1-phan-4\/","name":"Ch\u01b0\u01a1ng 1 - \u0110\u1ec1 ki\u1ec3m tra Gi\u1ea3i t\u00edch 12 ch\u01b0\u01a1ng 1 (Ph\u1ea7n 4)","isPartOf":{"@id":"https:\/\/lop12.edu.vn\/#website"},"datePublished":"2018-04-18T10:31:30+00:00","dateModified":"2018-04-18T10:31:30+00:00","author":{"@id":"https:\/\/lop12.edu.vn\/#\/schema\/person\/2da855e5d06b553ac0065157cc261a45"},"breadcrumb":{"@id":"https:\/\/lop12.edu.vn\/chuong-1-de-kiem-tra-giai-tich-12-chuong-1-phan-4\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/lop12.edu.vn\/chuong-1-de-kiem-tra-giai-tich-12-chuong-1-phan-4\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/lop12.edu.vn\/chuong-1-de-kiem-tra-giai-tich-12-chuong-1-phan-4\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/lop12.edu.vn\/"},{"@type":"ListItem","position":2,"name":"Ch\u01b0\u01a1ng 1 – \u0110\u1ec1 ki\u1ec3m tra Gi\u1ea3i t\u00edch 12 ch\u01b0\u01a1ng 1 (Ph\u1ea7n 4)"}]},{"@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\/2da855e5d06b553ac0065157cc261a45","name":"H\u00e0 Trang","image":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/lop12.edu.vn\/#\/schema\/person\/image\/","url":"https:\/\/secure.gravatar.com\/avatar\/545a8100db1147f314111301d261dc33?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/545a8100db1147f314111301d261dc33?s=96&d=mm&r=g","caption":"H\u00e0 Trang"},"url":"https:\/\/lop12.edu.vn\/author\/trangvth2\/"}]}},"_links":{"self":[{"href":"https:\/\/lop12.edu.vn\/wp-json\/wp\/v2\/posts\/27678"}],"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\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/lop12.edu.vn\/wp-json\/wp\/v2\/comments?post=27678"}],"version-history":[{"count":1,"href":"https:\/\/lop12.edu.vn\/wp-json\/wp\/v2\/posts\/27678\/revisions"}],"predecessor-version":[{"id":27681,"href":"https:\/\/lop12.edu.vn\/wp-json\/wp\/v2\/posts\/27678\/revisions\/27681"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/lop12.edu.vn\/wp-json\/wp\/v2\/media\/27679"}],"wp:attachment":[{"href":"https:\/\/lop12.edu.vn\/wp-json\/wp\/v2\/media?parent=27678"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lop12.edu.vn\/wp-json\/wp\/v2\/categories?post=27678"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lop12.edu.vn\/wp-json\/wp\/v2\/tags?post=27678"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}