Xem th\u00eam: \u0110\u1ec1 thi th\u1eed THPT Qu\u1ed1c gia m\u00f4n To\u00e1n<\/p>\n<\/div>\n
C\u00e2u 1 (1,0 \u0111i\u1ec3m)<\/strong><\/p>\n Kh\u1ea3o s\u00e1t v\u00e0 v\u1ebd \u0111\u1ed3 th\u1ecb h\u00e0m s\u1ed1y<\/em>=x<\/em><\/p>\n \u2013 2x<\/em><\/p>\n \u2013 3<\/p>\n C\u00e2u 2 (2,0 \u0111i\u1ec3m)<\/strong><\/p>\n a) T\u00ecm m \u0111\u1ec3 h\u00e0m s\u1ed1y<\/em>=x<\/em><\/p>\n \u2013 3mx<\/em><\/p>\n + (m<\/p>\n + 2m)x<\/em>+ 1 \u0111\u1ea1t c\u1ef1c \u0111\u1ea1i t\u1ea1i x = 1<\/p>\n b) T\u00ecm gi\u00e1 tr\u1ecb l\u1edbn nh\u1ea5t, gi\u00e1 tr\u1ecb nh\u1ecf nh\u1ea5t c\u1ee7a h\u00e0m s\u1ed1f<\/em>(x<\/em>) =xe<\/p>\n <\/em>tr\u00ean [-2;1]<\/p>\n C\u00e2u 6 (1,0 \u0111i\u1ec3m)<\/strong><\/p>\n Cho h\u00ecnh vu\u00f4ng ABCD, tr\u00ean tia \u0111\u1ed1i c\u1ee7a tia DA l\u1ea5y \u0111i\u1ec3m P sao choABP<\/em>= 60<\/p>\n . G\u1ecdiK<\/em>,M<\/em>(1;2),N<\/em>(1;1), E l\u1ea7n l\u01b0\u1ee3t l\u00e0 trung \u0111i\u1ec3m BP, CP, KD, CK. Ch\u1ee9ng minh tam gi\u00e1c MNE l\u00e0 tam gi\u00e1c \u0111\u1ec1u v\u00e0 t\u00ecm t\u1ecda \u0111\u1ed9 \u0111i\u1ec3m D.<\/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 THPTQG l\u1ea7n 1 m\u00f4n To\u00e1n n\u0103m 2016 c\u1ee7a tr\u01b0\u1eddng THPT Kim S\u01a1n A, S\u1edf GD&\u0110T Ninh B\u00ecnh ra \u0111\u1ec1, c\u00e1c em tham kh\u1ea3o \u0111\u1ec1 thi d\u01b0\u1edbi \u0111\u00e2y: Xem th\u00eam: \u0110\u1ec1 thi th\u1eed THPT Qu\u1ed1c gia m\u00f4n To\u00e1n C\u00e2u 1 (1,0 \u0111i\u1ec3m) Kh\u1ea3o s\u00e1t v\u00e0 v\u1ebd \u0111\u1ed3 th\u1ecb h\u00e0m s\u1ed1y=x 4 \u2013 2x […]<\/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