\u0110\u1ec1 thi h\u1ecdc k\u00ec 2 l\u1edbp 11 m\u00f4n To\u00e1n c\u1ee7a tr\u01b0\u1eddng THPT Tr\u1ea7n Q\u00fay C\u00e1p, t\u1ec9nh Kh\u00e1nh H\u00f2a n\u0103m 2016, c\u00e1c em theo d\u00f5i chi ti\u1ebft b\u00ean d\u01b0\u1edbi \u0111\u00e2y:<\/p>\n
C\u00e2u 2 ( 1 \u0111i\u1ec3m)<\/strong><\/p>\n X\u00e9t t\u00ednh li\u00ean t\u1ee5c c\u1ee7a h\u00e0m y = f(x) t\u1ea1i \u0111i\u1ec3m x = 1 bi\u1ebft<\/p>\n <\/p>\n C\u00e2u IV: (3,5 \u0111i\u1ec3m)<\/strong><\/p>\n Cho h\u00ecnh ch\u00f3p S.ABCD c\u00f3 \u0111\u00e1y ABCD l\u00e0 h\u00ecnh ch\u1eef nh\u1eadt, c\u00f3 c\u1ea1nh SA vu\u00f4ng g\u00f3c v\u1edbi m\u1eb7t ph\u1eb3ng (ABCD) v\u00e0<\/p>\n SA = AB = 2a, AD = 2a<\/p>\n G\u1ecdi M, N, O l\u1ea7n l\u01b0\u1ee3t l\u00e0 trung \u0111i\u1ec3m c\u1ee7a SA, SD v\u00e0 BC.<\/p>\n a) ch\u1ee9ng minh r\u1eb1ng : MN vu\u00f4ng g\u00f3c v\u1edbi (SAB) v\u00e0 (SAD)_( ABCD)<\/p>\n b) t\u00ednh g\u00f3c gi\u1eefa \u0111\u01b0\u1eddng th\u1eb3ng SC v\u00e0 m\u1eb7t ph\u1eb3ng (ABCD)<\/p>\n c) t\u00ednh kho\u1ea3ng c\u00e1ch gi\u1eefa hai \u0111\u01b0\u1eddng th\u1eb3ng MN v\u00e0 SO.<\/p>\n <\/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 tr\u01b0\u1eddng THPT Tr\u1ea7n Q\u00fay C\u00e1p, t\u1ec9nh Kh\u00e1nh H\u00f2a n\u0103m 2016, c\u00e1c em theo d\u00f5i chi ti\u1ebft b\u00ean d\u01b0\u1edbi \u0111\u00e2y: C\u00e2u 2 ( 1 \u0111i\u1ec3m) X\u00e9t t\u00ednh li\u00ean t\u1ee5c c\u1ee7a h\u00e0m y = f(x) t\u1ea1i \u0111i\u1ec3m x = 1 bi\u1ebft C\u00e2u IV: (3,5 \u0111i\u1ec3m) Cho h\u00ecnh […]<\/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