Tr\u01b0\u1eddng THPT Vi\u1ec7t \u0110\u1ee9c, H\u00e0 N\u1ed9i m\u1edbi \u0111\u00e2y \u0111\u00e3 t\u1ed5 ch\u1ee9c \u0111\u1ec1 thi gi\u1eefa k\u00ec 1 cho h\u1ecdc sinh l\u1edbp 12 m\u00f4n To\u00e1n theo h\u00ecnh th\u1ee9c tr\u1eafc nghi\u1ec7m 50 c\u00e2u v\u1edbi th\u1eddi gian 90 ph\u00fat.<\/p>\n
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C\u00e2u 9:<\/strong> Cho h\u00e0m s\u1ed1 y = x3<\/sup> + x + 1 c\u00f3 \u0111\u1ed3 th\u1ecb (C). T\u00ecm c\u00e2u tr\u1ea3 l\u1eddi sai:<\/p>\n A.. H\u00e0m s\u1ed1 lu\u00f4n \u0111\u1ed3ng bi\u1ebfn tr\u00ean R<\/p>\n B. Tr\u00ean (C) t\u1ed3n t\u1ea1i 2 \u0111i\u1ec3m A(x1<\/sub>;y1<\/sub>), B(x2<\/sub>;y2<\/sub>) sao cho 2 ti\u1ebfp tuy\u1ebfn c\u1ee7a (C) t\u1ea1i A v\u00e0 B vu\u00f4ng g\u00f3c v\u1edbi nhau.<\/p>\n C. Ph\u01b0\u01a1ng tr\u00ecnh ti\u1ebfp tuy\u1ebfn c\u1ee7a (C) t\u1ea1i \u0111i\u1ec3m c\u00f3 ho\u00e0nh \u0111\u1ed9 x = 1 c\u00f3 ph\u01b0\u01a1ng tr\u00ecnh l\u00e0: y = 4x \u2013 1.<\/p>\n D. (C) ch\u1ec9 c\u1eaft tr\u1ee5c ho\u00e0nh t\u1ea1i 1 \u0111i\u1ec3m duy nh\u1ea5t.<\/p>\n <\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n \n Theo Tuyensinh247<\/strong><\/p>\n","protected":false},"excerpt":{"rendered":" Tr\u01b0\u1eddng THPT Vi\u1ec7t \u0110\u1ee9c, H\u00e0 N\u1ed9i m\u1edbi \u0111\u00e2y \u0111\u00e3 t\u1ed5 ch\u1ee9c \u0111\u1ec1 thi gi\u1eefa k\u00ec 1 cho h\u1ecdc sinh l\u1edbp 12 m\u00f4n To\u00e1n theo h\u00ecnh th\u1ee9c tr\u1eafc nghi\u1ec7m 50 c\u00e2u v\u1edbi th\u1eddi gian 90 ph\u00fat. C\u00e2u 9: Cho h\u00e0m s\u1ed1 y = x3 + x + 1 c\u00f3 \u0111\u1ed3 th\u1ecb (C). T\u00ecm c\u00e2u tr\u1ea3 […]<\/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":[167],"tags":[],"yoast_head":"\n |