\u0110\u1ec1 thi h\u1ecdc k\u00ec 2 l\u1edbp 11 m\u00f4n To\u00e1n c\u1ee7a S\u1edf GD Qu\u1ea3ng B\u00ecnh n\u0103m 2016, c\u00e1c em theo d\u00f5i chi ti\u1ebft b\u00ean d\u01b0\u1edbi:<\/p>\n
C\u00e2u 3 ( 1,5 \u0111i\u1ec3m)<\/strong><\/p>\n Cho h\u00e0m s\u1ed1 y = g(x) = x3<\/sup> \u2013 3x + 2 (C ).vi\u1ebft ph\u01b0\u01a1ng tr\u00ecnh ti\u1ebfp tuy\u1ebfn v\u1edbi \u0111\u1ed3 th\u1ecb \u00a0(C ) c\u1ee7a h\u00e0m s\u1ed1 bi\u1ebft ti\u1ebfp tuy\u1ebfn song song v\u1edbi \u0111\u01b0\u1eddng th\u1eb3ng d: 9x-y-1=0<\/p>\n C\u00e2u 4. ( 3,5 \u0111i\u1ec3m)<\/strong><\/p>\n Cho h\u00ecnh ch\u00f3p S.ABCD c\u00f3 \u0111\u00e1y ABCD l\u00e0 h\u00ecnh vu\u00f4ng c\u1ea1nh a, m\u1eb7t b\u00ean SAB l\u00e0 tam gi\u00e1c \u0111\u1ec1u v\u00e0 SC = a. G\u1ecdi H, K \u00a0l\u1ea7n l\u01b0\u1ee3t l\u00e0 trung \u0111i\u1ec3m c\u1ee7a c\u00e1c c\u1ea1nh AB v\u00e0 AD.<\/p>\n a)ch\u1ee9ng minh: tam gi\u00e1c SBC l\u00e0 tam gi\u00e1c vu\u00f4ng v\u00e0 SH vu\u00f4ng g\u00f3c v\u1edbi ( ABCD)<\/p>\n b) ch\u1ee9ng minh: AC vu\u00f4ng g\u00f3c v\u1edbi SK<\/p>\n c) x\u00e1c \u0111\u1ecbnh g\u00f3c h\u1ee3p b\u1edfi SA v\u00e0 mp(SHK)<\/p>\n <\/p>\n <\/p>\n","protected":false},"excerpt":{"rendered":" \u0110\u1ec1 thi h\u1ecdc k\u00ec 2 l\u1edbp 11 m\u00f4n To\u00e1n c\u1ee7a S\u1edf GD Qu\u1ea3ng B\u00ecnh n\u0103m 2016, c\u00e1c em theo d\u00f5i chi ti\u1ebft b\u00ean d\u01b0\u1edbi: C\u00e2u 3 ( 1,5 \u0111i\u1ec3m) Cho h\u00e0m s\u1ed1 y = g(x) = x3 \u2013 3x + 2 (C ).vi\u1ebft ph\u01b0\u01a1ng tr\u00ecnh ti\u1ebfp tuy\u1ebfn v\u1edbi \u0111\u1ed3 th\u1ecb \u00a0(C ) c\u1ee7a h\u00e0m s\u1ed1 […]<\/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":[171],"tags":[],"yoast_head":"\n