\u0110\u1ec1 thi th\u1eed THPT Qu\u1ed1c gia m\u00f4n To\u00e1n l\u1ea7n 5 c\u1ee7a tr\u01b0\u1eddng THPT Chuy\u00ean V\u0129nh Ph\u00fac t\u1ec9nh V\u0129nh Ph\u00fac n\u0103m 2016 c\u00e1c b\u1ea1n tham kh\u1ea3o \u0111\u1ec1 thi v\u00e0 \u0111\u00e1p \u00e1n chi ti\u1ebft b\u00ean d\u01b0\u1edbi:<\/p>\n
C\u00e2u 5 (1,0 \u0111i\u1ec3m)<\/em><\/strong><\/p>\n Trong kh\u00f4ng gian v\u1edbi h\u1ec7 t\u1ecda \u0111\u1ed9 Oxyz, cho m\u1eb7t ph\u1eb3ng (P): 2x \u2013 y \u2013 3z + 1 = 0 \u00a0v\u00e0 \u0111i\u1ec3m I (3; -5; -2). Vi\u1ebft ph\u01b0\u01a1ng tr\u00ecnh m\u1eb7t c\u1ea7u t\u00e2m I v\u00e0 ti\u1ebfp x\u00fac v\u1edbi m\u1eb7t ph\u1eb3ng (P). T\u00ecm t\u1ecda \u0111\u1ed9 ti\u1ebfp \u0111i\u1ec3m.<\/p>\n C\u00e2u 6 (1,0 \u0111i\u1ec3m<\/em>).<\/strong><\/p>\n b) M\u1ed9t chi \u0111o\u00e0n c\u00f3 15 \u0111o\u00e0n vi\u00ean trong \u0111\u00f3 c\u00f3 7 nam v\u00e0 8 n\u1eef. Ng\u01b0\u1eddi ta ch\u1ecdn ra 4 ng\u01b0\u1eddi trong chi \u0111o\u00e0n \u0111\u00f3 \u0111\u1ec3 l\u1eadp m\u1ed9t \u0111\u1ed9i thanh ni\u00ean t\u00ecnh nguy\u1ec7n. T\u00ednh x\u00e1c su\u1ea5t \u0111\u1ec3 trong 4 ng\u01b0\u1eddi \u0111\u01b0\u1ee3c ch\u1ecdn c\u00f3 \u00edt nh\u1ea5t 1 n\u1eef.<\/p>\n <\/p>\n \u0110\u00e1p \u00e1n \u0111\u1ec1 thi th\u1eed THPT Qu\u1ed1c gia m\u00f4n To\u00e1n l\u1ea7n 5 THPT Chuy\u00ean V\u0129nh Ph\u00fac 2016\u00a0<\/strong><\/p>\n <\/p>\n Theo Tuyensinh247.com<\/strong><\/p>\n <\/p>\n","protected":false},"excerpt":{"rendered":" \u0110\u1ec1 thi th\u1eed THPT Qu\u1ed1c gia m\u00f4n To\u00e1n l\u1ea7n 5 c\u1ee7a tr\u01b0\u1eddng THPT Chuy\u00ean V\u0129nh Ph\u00fac t\u1ec9nh V\u0129nh Ph\u00fac n\u0103m 2016 c\u00e1c b\u1ea1n tham kh\u1ea3o \u0111\u1ec1 thi v\u00e0 \u0111\u00e1p \u00e1n chi ti\u1ebft b\u00ean d\u01b0\u1edbi: C\u00e2u 5 (1,0 \u0111i\u1ec3m) Trong kh\u00f4ng gian v\u1edbi h\u1ec7 t\u1ecda \u0111\u1ed9 Oxyz, cho m\u1eb7t ph\u1eb3ng (P): 2x \u2013 y \u2013 3z […]<\/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":[28],"tags":[],"yoast_head":"\n