C\u00e2u 1:<\/b>\u00a0Trong kh\u00f4ng gian Oxyz, cho hai vect\u01a1\u00a0u\u2192<\/i>\u00a0= (x; y; z),\u00a0v\u2192<\/i>\u00a0= (x’; y’; z’) . Kh\u1eb3ng \u0111\u1ecbnh n\u00e0o d\u01b0\u1edbi \u0111\u00e2y sai?<\/p>\n
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C\u00e2u 2:<\/b>\u00a0Trong kh\u00f4ng gian Oxyz, cho hai vect\u01a1\u00a0u\u2192<\/i>\u00a0= (x; y; z),\u00a0v\u2192<\/i>\u00a0= (x’; y’; z’) kh\u00e1c\u00a00\u2192<\/i>\u00a0. Kh\u1eb3ng \u0111\u1ecbnh n\u00e0o d\u01b0\u1edbi \u0111\u00e2y sai?<\/p>\n
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C\u00e2u 3:<\/b>\u00a0Trong kh\u00f4ng gian Oxyz, trong c\u00e1c kh\u1eb3ng \u0111\u1ecbnh d\u01b0\u1edbi \u0111\u00e2y, kh\u1eb3ng \u0111\u1ecbnh n\u00e0o \u0111\u00fang v\u1edbi m\u1ecdi\u00a0u\u2192<\/i>,\u00a0v\u2192<\/i>\u00a0?<\/p>\n
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C\u00e2u 4:<\/b>\u00a0Trong kh\u00f4ng gian Oxyz, cho hai vect\u01a1\u00a0a\u2192<\/i>\u00a0= (x1<\/sub>; y1<\/sub>; z1<\/sub>),\u00a0b\u2192<\/i>\u00a0= (x2<\/sub>; y2<\/sub>; z2<\/sub>) thay \u0111\u1ed5i. Trong c\u00e1c kh\u1eb3ng \u0111\u1ecbnh d\u01b0\u1edbi \u0111\u00e2y, kh\u1eb3ng \u0111\u1ecbnh n\u00e0o \u0111\u00fang?<\/p>\n <\/p>\n C\u00e2u 5:<\/b>\u00a0Trong kh\u00f4ng gian Oxyz, cho ba vect\u01a1<\/p>\n <\/p>\n Trong c\u00e1c kh\u1eb3ng \u0111\u1ecbnh sau, kh\u1eb3ng \u0111\u1ecbnh n\u00e0o \u0111\u00fang?<\/p>\n <\/p>\n C\u00e2u 6:<\/b>\u00a0Trong kh\u00f4ng gian Oxyz, cho ba vect\u01a1<\/p>\n <\/p>\n Trong c\u00e1c kh\u1eb3ng \u0111\u1ecbnh sau, kh\u1eb3ng \u0111\u1ecbnh n\u00e0o \u0111\u00fang?<\/p>\n <\/p>\n C\u00e2u 7:<\/b>\u00a0Trong kh\u00f4ng gian Oxyz, cho ba vect\u01a1<\/p>\n <\/p>\n H\u01b0\u1edbng d\u1eabn gi\u1ea3i v\u00e0 \u0110\u00e1p \u00e1n<\/b><\/p>\n C\u00e2u 1:\u00a0Trong kh\u00f4ng gian Oxyz, cho hai vect\u01a1\u00a0u\u2192\u00a0= (x; y; z),\u00a0v\u2192\u00a0= (x’; y’; z’) . Kh\u1eb3ng \u0111\u1ecbnh n\u00e0o d\u01b0\u1edbi \u0111\u00e2y sai? C\u00e2u 2:\u00a0Trong kh\u00f4ng gian Oxyz, cho hai vect\u01a1\u00a0u\u2192\u00a0= (x; y; z),\u00a0v\u2192\u00a0= (x’; y’; z’) kh\u00e1c\u00a00\u2192\u00a0. Kh\u1eb3ng \u0111\u1ecbnh n\u00e0o d\u01b0\u1edbi \u0111\u00e2y sai? C\u00e2u 3:\u00a0Trong kh\u00f4ng gian Oxyz, trong c\u00e1c kh\u1eb3ng \u0111\u1ecbnh d\u01b0\u1edbi \u0111\u00e2y, kh\u1eb3ng \u0111\u1ecbnh […]<\/p>\n","protected":false},"author":3,"featured_media":28242,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_mi_skip_tracking":false,"tdm_status":"","tdm_grid_status":""},"categories":[157],"tags":[1450,1448],"yoast_head":"\n\n\n
\n 1-C<\/td>\n 2-B<\/td>\n 3-C<\/td>\n 4-A<\/td>\n 5-B<\/td>\n 6-B<\/td>\n 7-D<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"excerpt":{"rendered":"