B\u00e0i 1 (trang 90 SGK Gi\u1ea3i t\u00edch 12):\u00a0H\u00e3y n\u00eau c\u00e1c t\u00ednh ch\u1ea5t c\u1ee7a l\u0169y th\u1eeba v\u1edbi s\u1ed1 m\u0169 th\u1ef1c<\/strong><\/span><\/p>\n L\u1eddi gi\u1ea3i:<\/b><\/p>\n T\u00ednh ch\u1ea5t c\u1ee7a l\u0169y th\u1eeba v\u1edbi s\u1ed1 m\u0169 th\u1ef1c: Cho a, b l\u00e0 nh\u1eefng s\u1ed1 th\u1ef1c d\u01b0\u01a1ng: \u03b1,\u03b2. L\u00e0 nh\u1eefng s\u1ed1 th\u1ef1c t\u00f9y \u00fd. Khi \u0111\u00f3 ta c\u00f3:<\/p>\n <\/p>\n B\u00e0i 2 (trang 90 SGK Gi\u1ea3i t\u00edch 12):\u00a0H\u00e3y n\u00eau c\u00e1c t\u00ednh ch\u1ea5t c\u1ee7a h\u00e0m l\u0169y th\u1eeba<\/strong><\/span><\/p>\n L\u1eddi gi\u1ea3i:<\/b><\/p>\n B\u1ea3ng t\u00f3m t\u1eaft c\u00e1c t\u00ednh ch\u1ea5t c\u1ee7a h\u00e0m s\u1ed1 l\u0169y th\u1eeba y = x \u03b1<\/sup>\u00a0tr\u00ean kho\u1ea3ng (0; + \u221e)<\/p>\n B\u00e0i 3 (trang 90 SGK Gi\u1ea3i t\u00edch 12):\u00a0H\u00e3y n\u00eau c\u00e1c t\u00ednh ch\u1ea5t c\u1ee7a h\u00e0m s\u1ed1 m\u0169 v\u00e0 h\u00e0m s\u1ed1 logarit.<\/strong><\/span><\/p>\n L\u1eddi gi\u1ea3i:<\/b><\/p>\n T\u00ednh ch\u1ea5t c\u1ee7a h\u00e0m s\u1ed1 m\u0169: y = ax<\/sup>\u00a0(a >, a \u22601)<\/p>\n <\/p>\n <\/p>\n T\u00ednh ch\u1ea5t c\u1ee7a h\u00e0m s\u1ed1 logarit:<\/strong><\/p>\n <\/p>\n B\u00e0i 4 (trang 90 SGK Gi\u1ea3i t\u00edch 12):\u00a0T\u00ecm t\u1eadp x\u00e1c \u0111\u1ecbnh c\u1ee7a h\u00e0m s\u1ed1:<\/strong><\/span><\/p>\n <\/p>\n L\u1eddi gi\u1ea3i<\/strong><\/p>\n <\/p>\n B\u00e0i 5 (trang 90 SGK Gi\u1ea3i t\u00edch 12):\u00a0Bi\u1ebft 4x<\/sup>+4-x<\/sup>=23. H\u00e3y t\u00ednh 2x<\/sup>+2-x<\/sup><\/strong><\/span><\/p>\n L\u1eddi gi\u1ea3i:<\/b><\/p>\n B\u00e0i 6 (trang 90 SGK Gi\u1ea3i t\u00edch 12):\u00a0Cho loga<\/sub>b = 3; loga<\/sub>c = -2<\/strong><\/span><\/p>\n <\/p>\n L\u1eddi gi\u1ea3i<\/strong><\/p>\n <\/p>\n B\u00e0i 7 (trang 90 SGK Gi\u1ea3i t\u00edch 12):\u00a0Gi\u1ea3i c\u00e1c ph\u01b0\u01a1ng tr\u00ecnh:<\/strong><\/span><\/p>\n <\/p>\n L\u1eddi gi\u1ea3i<\/strong><\/p>\n <\/p>\n B\u00e0i 8 (trang 90 SGK Gi\u1ea3i t\u00edch 12):\u00a0Gi\u1ea3i c\u00e1c b\u1ea5t ph\u01b0\u01a1ng tr\u00ecnh:<\/strong><\/span><\/p>\n <\/p>\n L\u1eddi gi\u1ea3i<\/strong><\/p>\n <\/p>\n <\/p>\n<\/div>\n <\/p>\n <\/p>\n","protected":false},"excerpt":{"rendered":" B\u00e0i 1 (trang 90 SGK Gi\u1ea3i t\u00edch 12):\u00a0H\u00e3y n\u00eau c\u00e1c t\u00ednh ch\u1ea5t c\u1ee7a l\u0169y th\u1eeba v\u1edbi s\u1ed1 m\u0169 th\u1ef1c L\u1eddi gi\u1ea3i: T\u00ednh ch\u1ea5t c\u1ee7a l\u0169y th\u1eeba v\u1edbi s\u1ed1 m\u0169 th\u1ef1c: Cho a, b l\u00e0 nh\u1eefng s\u1ed1 th\u1ef1c d\u01b0\u01a1ng: \u03b1,\u03b2. L\u00e0 nh\u1eefng s\u1ed1 th\u1ef1c t\u00f9y \u00fd. Khi \u0111\u00f3 ta c\u00f3: B\u00e0i 2 (trang 90 SGK Gi\u1ea3i […]<\/p>\n","protected":false},"author":3,"featured_media":21072,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_mi_skip_tracking":false,"tdm_status":"","tdm_grid_status":""},"categories":[1298],"tags":[1377,1356,1355],"yoast_head":"\n