\u0110\u1ec1 thi h\u1ecdc k\u00ec 2 l\u1edbp 11 m\u00f4n To\u00e1n – S\u1edf GD Th\u00e1i B\u00ecnh 2015 c\u00f3 \u0111\u00e1p \u00e1n chi ti\u1ebft b\u00ean d\u01b0\u1edbi, c\u00e1c em tham kh\u1ea3o d\u01b0\u1edbi \u0111\u00e2y:<\/p>\n
C\u00e2u 3. (1,5 \u0111i\u1ec3m) \u00a0<\/strong><\/p>\n a)\u00a0<\/p>\n b)\u00a0<\/p>\n C\u00e2u 4. (1.5 \u0111i\u1ec3m)<\/strong><\/p>\n Cho h\u00e0m s\u1ed1 f(x) = (x \u2013 4)\/(x + 1) (1).<\/p>\n 1. Vi\u1ebft ph\u01b0\u01a1ng tr\u00ecnh ti\u1ebfp tuy\u1ebfn c\u1ee7a \u0111\u1ed3 th\u1ecb h\u00e0m s\u1ed1 t\u1ea1i \u0111i\u1ec3m M(4;0)<\/p>\n 2. T\u00ecm \u0111i\u1ec3m N tr\u00ean \u0111\u1ed3 th\u1ecb h\u00e0m s\u1ed1 (1) sao cho ti\u1ebfp tuy\u1ebfn v\u1edbi \u0111\u1ed3 th\u1ecb h\u00e0m s\u1ed1 (1) t\u1ea1i \u0111i\u1ec3m N c\u1eaft c\u00e1c tr\u1ee5c \u00d5, Oy l\u1ea7n l\u01b0\u1ee3t t\u1ea1i A, B kh\u00e1c g\u1ed1c t\u1ecda \u0111\u1ed9 v\u00e0 OB = 5Oa.<\/p>\n C\u00e2u 5. (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 v\u1edbi AD = 2AB = 2a, c\u1ea1nh b\u00ean SA = 2a, SA vu\u00f4ng g\u00f3c v\u1edbi m\u1eb7t \u0111\u00e1y. G\u1ecdi M, N th\u1ee9 t\u1ef1 l\u00e0 trung \u0111i\u1ec3m BC v\u00e0 SD.<\/p>\n 1. Ch\u1ee9ng minh: BC \u22a5 (SAB) v\u00e0 AN \u22a5 SC.<\/p>\n 2. Ch\u1ee9ng minh: MN \/\/ (SAB) v\u00e0 (SAM) \u22a5 (SMD)<\/p>\n 3. T\u00ednh kho\u1ea3ng c\u00e1ch gi\u1eefa SC v\u00e0 BD<\/p>\n <\/strong><\/p>\n <\/strong><\/p>\n <\/strong><\/p>\n Theo Tuyensinh247<\/strong><\/p>\n <\/p>\n","protected":false},"excerpt":{"rendered":" \u0110\u1ec1 thi h\u1ecdc k\u00ec 2 l\u1edbp 11 m\u00f4n To\u00e1n – S\u1edf GD Th\u00e1i B\u00ecnh 2015 c\u00f3 \u0111\u00e1p \u00e1n chi ti\u1ebft b\u00ean d\u01b0\u1edbi, c\u00e1c em tham kh\u1ea3o d\u01b0\u1edbi \u0111\u00e2y: \u0110\u1ec1 thi h\u1ecdc k\u00ec 2 l\u1edbp 11 m\u00f4n To\u00e1n – S\u1edf GD Th\u00e1i B\u00ecnh 2015 C\u00e2u 3. (1,5 \u0111i\u1ec3m) \u00a0 T\u00ednh \u0111\u1ea1o h\u00e0m c\u1ee7a c\u00e1c 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
\n<\/strong>T\u00ednh \u0111\u1ea1o h\u00e0m c\u1ee7a c\u00e1c h\u00e0m s\u1ed1 sau:<\/p>\n<\/h4>\n
\u0110\u00e1p \u00e1n \u0111\u1ec1 thi h\u1ecdc k\u00ec 2 l\u1edbp 11 m\u00f4n To\u00e1n – S\u1edf GD Th\u00e1i B\u00ecnh 2015<\/strong><\/h4>\n