Ch\u01b0\u01a1ng 1 - L\u00fd thuy\u1ebft B\u00e0i 4: \u0110\u01b0\u1eddng ti\u1ec7m c\u1eadn<\/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-ly-thuyet-bai-4-duong-tiem-can\/\" \/>\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 - L\u00fd thuy\u1ebft B\u00e0i 4: \u0110\u01b0\u1eddng ti\u1ec7m c\u1eadn\" \/>\n<meta property=\"og:description\" content=\"1. \u0110\u01b0\u1eddng ti\u1ec7m c\u1eadn \u0111\u1ee9ng Cho h\u00e0m s\u1ed1 y = f(x) c\u00f3 \u0111\u1ed3 th\u1ecb (C). N\u1ebfu m\u1ed9t trong c\u00e1c \u0111i\u1ec1u ki\u1ec7n sau x\u1ea3y ra th\u00ec x = x0\u00a0l\u00e0 ti\u1ec7m c\u1eadn \u0111\u1ee9ng c\u1ee7a \u0111\u1ed3 th\u1ecb (C). 2. \u0110\u01b0\u1eddng ti\u1ec7m c\u1eadn ngang th\u00ec y = y0\u00a0l\u00e0 ti\u1ec7m c\u1eadn ngang c\u1ee7a \u0111\u1ed3 th\u1ecb (C).\" \/>\n<meta property=\"og:url\" content=\"https:\/\/lop12.edu.vn\/chuong-1-ly-thuyet-bai-4-duong-tiem-can\/\" \/>\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=\"2018-04-19T05:47:32+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/lop12.edu.vn\/wp-content\/uploads\/2018\/04\/1-273.png\" \/>\n\t<meta property=\"og:image:width\" content=\"310\" \/>\n\t<meta property=\"og:image:height\" content=\"83\" \/>\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<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/lop12.edu.vn\/chuong-1-ly-thuyet-bai-4-duong-tiem-can\/\",\"url\":\"https:\/\/lop12.edu.vn\/chuong-1-ly-thuyet-bai-4-duong-tiem-can\/\",\"name\":\"Ch\u01b0\u01a1ng 1 - L\u00fd thuy\u1ebft B\u00e0i 4: \u0110\u01b0\u1eddng ti\u1ec7m c\u1eadn\",\"isPartOf\":{\"@id\":\"https:\/\/lop12.edu.vn\/#website\"},\"datePublished\":\"2018-04-19T05:47:32+00:00\",\"dateModified\":\"2018-04-19T05:47:32+00:00\",\"author\":{\"@id\":\"https:\/\/lop12.edu.vn\/#\/schema\/person\/2da855e5d06b553ac0065157cc261a45\"},\"breadcrumb\":{\"@id\":\"https:\/\/lop12.edu.vn\/chuong-1-ly-thuyet-bai-4-duong-tiem-can\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/lop12.edu.vn\/chuong-1-ly-thuyet-bai-4-duong-tiem-can\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/lop12.edu.vn\/chuong-1-ly-thuyet-bai-4-duong-tiem-can\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/lop12.edu.vn\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Ch\u01b0\u01a1ng 1 – L\u00fd thuy\u1ebft B\u00e0i 4: \u0110\u01b0\u1eddng ti\u1ec7m c\u1eadn\"}]},{\"@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_head_json":{"title":"Ch\u01b0\u01a1ng 1 - L\u00fd thuy\u1ebft B\u00e0i 4: \u0110\u01b0\u1eddng ti\u1ec7m c\u1eadn","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-ly-thuyet-bai-4-duong-tiem-can\/","og_locale":"en_US","og_type":"article","og_title":"Ch\u01b0\u01a1ng 1 - L\u00fd thuy\u1ebft B\u00e0i 4: \u0110\u01b0\u1eddng ti\u1ec7m c\u1eadn","og_description":"1. \u0110\u01b0\u1eddng ti\u1ec7m c\u1eadn \u0111\u1ee9ng Cho h\u00e0m s\u1ed1 y = f(x) c\u00f3 \u0111\u1ed3 th\u1ecb (C). 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{"id":27963,"date":"2018-04-19T12:47:32","date_gmt":"2018-04-19T05:47:32","guid":{"rendered":"https:\/\/lop12.edu.vn\/?p=27963"},"modified":"2018-04-19T12:47:32","modified_gmt":"2018-04-19T05:47:32","slug":"chuong-1-ly-thuyet-bai-4-duong-tiem-can","status":"publish","type":"post","link":"https:\/\/lop12.edu.vn\/chuong-1-ly-thuyet-bai-4-duong-tiem-can\/","title":{"rendered":"Ch\u01b0\u01a1ng 1 – L\u00fd thuy\u1ebft B\u00e0i 4: \u0110\u01b0\u1eddng ti\u1ec7m c\u1eadn"},"content":{"rendered":"

1. \u0110\u01b0\u1eddng ti\u1ec7m c\u1eadn \u0111\u1ee9ng<\/b><\/p>\n

Cho h\u00e0m s\u1ed1 y = f(x) c\u00f3 \u0111\u1ed3 th\u1ecb (C). N\u1ebfu m\u1ed9t trong c\u00e1c \u0111i\u1ec1u ki\u1ec7n sau<\/p>\n

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

x\u1ea3y ra th\u00ec x = x_{0<\/sub>\u00a0l\u00e0 ti\u1ec7m c\u1eadn \u0111\u1ee9ng c\u1ee7a \u0111\u1ed3 th\u1ecb (C).<\/p>\n}

2. \u0110\u01b0\u1eddng ti\u1ec7m c\u1eadn ngang<\/b><\/p>\n

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

th\u00ec y = y_{0<\/sub>\u00a0l\u00e0 ti\u1ec7m c\u1eadn ngang c\u1ee7a \u0111\u1ed3 th\u1ecb (C).<\/p>\n","protected":false},"excerpt":{"rendered":"}

1. \u0110\u01b0\u1eddng ti\u1ec7m c\u1eadn \u0111\u1ee9ng Cho h\u00e0m s\u1ed1 y = f(x) c\u00f3 \u0111\u1ed3 th\u1ecb (C). N\u1ebfu m\u1ed9t trong c\u00e1c \u0111i\u1ec1u ki\u1ec7n sau x\u1ea3y ra th\u00ec x = x0\u00a0l\u00e0 ti\u1ec7m c\u1eadn \u0111\u1ee9ng c\u1ee7a \u0111\u1ed3 th\u1ecb (C). 2. \u0110\u01b0\u1eddng ti\u1ec7m c\u1eadn ngang th\u00ec y = y0\u00a0l\u00e0 ti\u1ec7m c\u1eadn ngang c\u1ee7a \u0111\u1ed3 th\u1ecb (C).<\/p>\n","protected":false},"author":3,"featured_media":27964,"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 - L\u00fd thuy\u1ebft B\u00e0i 4: \u0110\u01b0\u1eddng ti\u1ec7m c\u1eadn<\/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-ly-thuyet-bai-4-duong-tiem-can\/\" \/>\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 - L\u00fd thuy\u1ebft B\u00e0i 4: \u0110\u01b0\u1eddng ti\u1ec7m c\u1eadn\" \/>\n<meta property=\"og:description\" content=\"1. \u0110\u01b0\u1eddng ti\u1ec7m c\u1eadn \u0111\u1ee9ng Cho h\u00e0m s\u1ed1 y = f(x) c\u00f3 \u0111\u1ed3 th\u1ecb (C). N\u1ebfu m\u1ed9t trong c\u00e1c \u0111i\u1ec1u ki\u1ec7n sau x\u1ea3y ra th\u00ec x = x0\u00a0l\u00e0 ti\u1ec7m c\u1eadn \u0111\u1ee9ng c\u1ee7a \u0111\u1ed3 th\u1ecb (C). 2. \u0110\u01b0\u1eddng ti\u1ec7m c\u1eadn ngang th\u00ec y = y0\u00a0l\u00e0 ti\u1ec7m c\u1eadn ngang c\u1ee7a \u0111\u1ed3 th\u1ecb (C).\" \/>\n<meta property=\"og:url\" content=\"https:\/\/lop12.edu.vn\/chuong-1-ly-thuyet-bai-4-duong-tiem-can\/\" \/>\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=\"2018-04-19T05:47:32+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/lop12.edu.vn\/wp-content\/uploads\/2018\/04\/1-273.png\" \/>\n\t<meta property=\"og:image:width\" content=\"310\" \/>\n\t<meta property=\"og:image:height\" content=\"83\" \/>\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<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/lop12.edu.vn\/chuong-1-ly-thuyet-bai-4-duong-tiem-can\/\",\"url\":\"https:\/\/lop12.edu.vn\/chuong-1-ly-thuyet-bai-4-duong-tiem-can\/\",\"name\":\"Ch\u01b0\u01a1ng 1 - L\u00fd thuy\u1ebft B\u00e0i 4: \u0110\u01b0\u1eddng ti\u1ec7m c\u1eadn\",\"isPartOf\":{\"@id\":\"https:\/\/lop12.edu.vn\/#website\"},\"datePublished\":\"2018-04-19T05:47:32+00:00\",\"dateModified\":\"2018-04-19T05:47:32+00:00\",\"author\":{\"@id\":\"https:\/\/lop12.edu.vn\/#\/schema\/person\/2da855e5d06b553ac0065157cc261a45\"},\"breadcrumb\":{\"@id\":\"https:\/\/lop12.edu.vn\/chuong-1-ly-thuyet-bai-4-duong-tiem-can\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/lop12.edu.vn\/chuong-1-ly-thuyet-bai-4-duong-tiem-can\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/lop12.edu.vn\/chuong-1-ly-thuyet-bai-4-duong-tiem-can\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/lop12.edu.vn\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Ch\u01b0\u01a1ng 1 – L\u00fd thuy\u1ebft B\u00e0i 4: \u0110\u01b0\u1eddng ti\u1ec7m c\u1eadn\"}]},{\"@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_head_json":{"title":"Ch\u01b0\u01a1ng 1 - L\u00fd thuy\u1ebft B\u00e0i 4: \u0110\u01b0\u1eddng ti\u1ec7m c\u1eadn","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-ly-thuyet-bai-4-duong-tiem-can\/","og_locale":"en_US","og_type":"article","og_title":"Ch\u01b0\u01a1ng 1 - L\u00fd thuy\u1ebft B\u00e0i 4: \u0110\u01b0\u1eddng ti\u1ec7m c\u1eadn","og_description":"1. \u0110\u01b0\u1eddng ti\u1ec7m c\u1eadn \u0111\u1ee9ng Cho h\u00e0m s\u1ed1 y = f(x) c\u00f3 \u0111\u1ed3 th\u1ecb (C). 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