Xem th\u00eam: \u0110\u1ec1 thi th\u1eed THPT Qu\u1ed1c gia m\u00f4n To\u00e1n<\/p>\n<\/div>\n
C\u00e2u 1 (2,0 \u0111i\u1ec3m)<\/strong>Cho h\u00e0m s\u1ed1 y = x<\/p>\n \u2013 2mx<\/p>\n + m<\/p>\n \u2013 3m \u2013 1 (C)<\/p>\n a) Kh\u1ea3o s\u00e1t s\u1ef1 bi\u1ebfn thi\u00ean v\u00e0 v\u1ebd \u0111\u1ed3 th\u1ecb h\u00e0m s\u1ed1 (C) khi m = 1<\/p>\n b) T\u00ecm t\u1ea5t c\u1ea3 gi\u00e1 tr\u1ecb c\u1ee7a m \u0111\u1ec3 h\u00e0m s\u1ed1 duy nh\u1ea5t m\u1ed9t c\u1ef1c tr\u1ecb. T\u00ecm gi\u00e1 tr\u1ecb c\u1ef1c tr\u1ecb \u0111\u00f3.<\/p>\n C\u00e2u 2 (2,0 \u0111i\u1ec3m)<\/strong><\/p>\n a). Cho sinx = 1\/3 v\u1edbi x \u2208 (\u03c0\/2; \u03c0). T\u00ednh gi\u00e1 tr\u1ecb c\u1ee7a bi\u1ec3u th\u1ee9c:<\/p>\n P = 2 + 3sin2x \u2013 cos2x<\/p>\n b) M\u1ed9t l\u1edbp h\u1ecdc c\u00f3 40 h\u1ecdc sinh trong \u0111\u00f3 c\u00f3 20 em thu\u1ed9c nh\u00f3m m\u00e1u A, 10 em thu\u1ed9c nh\u00f3m B v\u00e0 10 em thu\u1ed9c nh\u00f3m m\u00e1u O. Ch\u1ecdn ng\u1eabu nhi\u00ean 4 em \u0111i tham gia hi\u1ebfn m\u00e1u nh\u00e2n \u0111\u1ea1o. T\u00ednh x\u00e1c su\u1ea5t \u0111\u1ec3 trong 4 em \u0111\u01b0\u1ee3c ch\u1ecdn ph\u1ea3i c\u00f3 \u00edt nh\u1ea5t 2 em thu\u1ed9c nh\u00f3m m\u00e1u A.<\/p>\n <\/p>\n<\/p>\n T\u1ea5t c\u1ea3 n\u1ed9i dung b\u00e0i vi\u1ebft. C\u00e1c em h\u00e3y xem th\u00eam v\u00e0 t\u1ea3i file chi ti\u1ebft t\u1ea1i \u0111\u00e2y:<\/strong>Download<\/p>\n","protected":false},"excerpt":{"rendered":" \u0110\u1ec1 thi th\u1eed THPT Qu\u1ed1c gia m\u00f4n To\u00e1n n\u0103m 2016 c\u1ee7a tr\u01b0\u1eddng THPT Ho\u1eb1ng H\u00f3a 2, t\u1ec9nh Thanh H\u00f3a. C\u00e1c em tham kh\u1ea3o \u0111\u1ec1 thi th\u1eed ph\u00eda d\u01b0\u1edbi \u0111\u00e2y: Xem th\u00eam: \u0110\u1ec1 thi th\u1eed THPT Qu\u1ed1c gia m\u00f4n To\u00e1n C\u00e2u 1 (2,0 \u0111i\u1ec3m)Cho h\u00e0m s\u1ed1 y = x 4 \u2013 2mx 2 + m 2 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_mi_skip_tracking":false,"tdm_status":"","tdm_grid_status":""},"categories":[28],"tags":[],"yoast_head":"\n