C\u00e2u 6:<\/b>\u00a0T\u00ednh t\u00edch ph\u00e2n<\/p>\n
<\/p>\n
C\u00e2u 7:<\/b><\/p>\n
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Kh\u1eb3ng \u0111\u1ecbnh n\u00e0o d\u01b0\u1edbi \u0111\u00e2y l\u00e0 sai?<\/p>\n
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C\u00e2u 8:<\/b><\/p>\n
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T\u00ecm n?<\/p>\n
A.6 \u00a0\u00a0\u00a0 B.5 \u00a0\u00a0\u00a0C.4 \u00a0\u00a0\u00a0 D.3<\/p>\n
C\u00e2u 9:<\/b>\u00a0K\u1ebft qu\u1ea3 c\u1ee7a t\u00edch ph\u00e2n<\/p>\n
<\/p>\n
\u0111\u01b0\u1ee3c vi\u1ebft d\u01b0\u1edbi d\u1ea1ng a+bln2. T\u00ednh gi\u00e1 tr\u1ecb c\u1ee7a a+b.<\/p>\n
<\/p>\n
H\u01b0\u1edbng d\u1eabn gi\u1ea3i v\u00e0 \u0110\u00e1p \u00e1n<\/b><\/p>\n C\u00e2u 6:<\/b><\/p>\n \u0110\u1eb7t u = x v\u00e0 dv = cos(a – x)dx ,suy ra du = dx v\u00e0 v = -sin(a-x). Do \u0111\u00f3<\/p>\n <\/p>\n V\u1eady ch\u1ecdn \u0111\u00e1p \u00e1n C.<\/p>\n C\u00e2u 7:<\/b><\/p>\n \u0110\u1eb7t u = x2<\/sup>\u00a0– 1 , ta c\u00f3 du = 2xdx. Khi x = 1 th\u00ec u = 0, x = 2 th\u00ec u = 3. Do \u0111\u00f3<\/p>\n <\/p>\n V\u1eady ch\u1ecdn \u0111\u00e1p \u00e1n C.<\/p>\n C\u00e2u 8:<\/b><\/p>\n Ta c\u00f3:<\/p>\n <\/p>\n <\/p>\n V\u1eady ch\u1ecdn \u0111\u00e1p \u00e1n D.<\/p>\n C\u00e2u 9:<\/b><\/p>\n Ta c\u00f3:<\/p>\n <\/p>\n T\u1eeb \u0111\u00f3 ta c\u00f3<\/p>\n <\/p>\n V\u1eady ch\u1ecdn \u0111\u00e1p \u00e1n B<\/p>\n","protected":false},"excerpt":{"rendered":" C\u00e2u 6:\u00a0T\u00ednh t\u00edch ph\u00e2n C\u00e2u 7: Kh\u1eb3ng \u0111\u1ecbnh n\u00e0o d\u01b0\u1edbi \u0111\u00e2y l\u00e0 sai? C\u00e2u 8: T\u00ecm n? A.6 \u00a0\u00a0\u00a0 B.5 \u00a0\u00a0\u00a0C.4 \u00a0\u00a0\u00a0 D.3 C\u00e2u 9:\u00a0K\u1ebft qu\u1ea3 c\u1ee7a t\u00edch ph\u00e2n \u0111\u01b0\u1ee3c vi\u1ebft d\u01b0\u1edbi d\u1ea1ng a+bln2. T\u00ednh gi\u00e1 tr\u1ecb c\u1ee7a a+b. H\u01b0\u1edbng d\u1eabn gi\u1ea3i v\u00e0 \u0110\u00e1p \u00e1n 6-C 7-C 8-D C\u00e2u 6: \u0110\u1eb7t u = x v\u00e0 […]<\/p>\n","protected":false},"author":3,"featured_media":27002,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_mi_skip_tracking":false,"tdm_status":"","tdm_grid_status":""},"categories":[157],"tags":[1447,1446],"yoast_head":"\n\n\n
\n 6-C<\/td>\n 7-C<\/td>\n 8-D<\/td>\n <\/td>\n <\/td>\n <\/td>\n <\/td>\n <\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n