\u0110\u1ec1 thi h\u1ecdc k\u00ec 2 m\u00f4n To\u00e1n 11 \u2013 THPT Gia \u0110\u1ecbnh 2016 th\u00e0nh ph\u1ed1 H\u1ed3 Ch\u00ed Minh c\u00e1c em theo d\u00f5i chi ti\u1ebft b\u00ean d\u01b0\u1edbi:<\/p>\n
C\u00e2u 2 (0,5 \u0111i\u1ec3m)<\/strong><\/p>\n Cho h\u00e0m s\u1ed1 y = f(x) = – x2<\/sup> +3x + 2 c\u00f3 \u0111\u1ed3 th\u1ecb l\u00e0 h\u00e0m s\u1ed1 ( C ). Vi\u1ebft ph\u01b0\u01a1ng tr\u00ecnh ti\u1ebfp tuy\u1ebfn (d) c\u1ee7a (C) t\u1ea1i M thu\u1ed9c ( C) c\u00f3 ho\u00e0nh \u0111\u1ed9 xM<\/sub> = 2<\/p>\n C\u00e2u 3( 4 \u0111i\u1ec3m)<\/strong><\/p>\n Cho h\u00ecnh ch\u00f3p S.ABCD c\u00f3 \u0111\u00e1y ABCD l\u00e0 h\u00ecnh vu\u00f4ng t\u00e2m O c\u1ea1nh a. SA vu\u00f4ng g\u00f3c v\u1edbi (ABCD) v\u00e0 SA= a c\u0103n 2. G\u1ecdi H, K l\u1ea7n l\u01b0\u1ee3t l\u00e0 h\u00ecnh chi\u1ebfu vu\u00f4ng g\u00f3c c\u1ee7a A tr\u00ean c\u1ea1nh SB, SD. G\u1ecdi I l\u00e0 giao \u0111i\u1ec3m c\u1ee7a SC v\u1edbi m\u1eb7t ph\u1eb3ng (AHK)<\/p>\n a)Ch\u1ee9ng minh (AHK) vu\u00f4ng g\u00f3c (SBC) v\u00e0 AC vu\u00f4ng g\u00f3c DI.<\/p>\n b)T\u00ednh kho\u1ea3ng c\u00e1ch t\u1eeb B \u0111\u1ebfn m\u1eb7t ph\u1eb3ng (SCD).<\/p>\n c)G\u1ecdi anpha l\u00e0 g\u00f3c gi\u1eefa hai m\u1eb7t ph\u1eb3ng (SCD) v\u00e0 (ABCD). T\u00ednh tan anpha<\/p>\n d)t\u00ednh g\u00f3c gi\u1eefa \u0111\u01b0\u1eddng th\u1eb3ng SC v\u00e0 m\u1eb7t ph\u1eb3ng (ABCD).<\/p>\n <\/strong><\/p>\n <\/p>\n","protected":false},"excerpt":{"rendered":" \u0110\u1ec1 thi h\u1ecdc k\u00ec 2 m\u00f4n To\u00e1n 11 \u2013 THPT Gia \u0110\u1ecbnh 2016 th\u00e0nh ph\u1ed1 H\u1ed3 Ch\u00ed Minh c\u00e1c em theo d\u00f5i chi ti\u1ebft b\u00ean d\u01b0\u1edbi: \u0110\u1ec1 thi h\u1ecdc k\u00ec 2 m\u00f4n To\u00e1n 11 \u2013 THPT Gia \u0110\u1ecbnh 2016 C\u00e2u 2 (0,5 \u0111i\u1ec3m) Cho h\u00e0m s\u1ed1 y = f(x) = – x2 +3x + 2 […]<\/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