Toán lớp 11 - Đề kiểm tra 45 phút - Toán lớp 11 - Tháng 1 - Số 1

{"save":1,"level":1,"time":"45","total":20,"point":5,"segment":[{"id":"423","test_id":"214","question":"<p>X&eacute;t c&aacute;c m\u1ec7nh \u0111\u1ec1 sau:<\/p><p><span class=\"math-tex\">$(I)$<\/span>.&nbsp;<span class=\"math-tex\">$\\mathop {\\lim }\\limits_{x \\to - \\infty } {x^k} = + \\infty $<\/span>&nbsp;n\u1ebfu k l&agrave; s\u1ed1 nguy&ecirc;n d\u01b0\u01a1ng ch\u1eb5n<\/p><p><span class=\"math-tex\">$(II)$<\/span>.&nbsp;<span class=\"math-tex\">$\\mathop {\\lim }\\limits_{x \\to -+ \\infty } {x^k} = + \\infty $<\/span>&nbsp;n\u1ebfu k l&agrave; s\u1ed1 nguy&ecirc;n t&ugrave;y &yacute;<\/p><p>Trong 2 m\u1ec7nh \u0111\u1ec1 tr&ecirc;n th&igrave;<\/p>","options":["A. Ch\u1ec9&nbsp;<span class=\"math-tex\">$(II)$<\/span>&nbsp;\u0111&uacute;ng","B. Ch\u1ec9&nbsp;<span class=\"math-tex\">$(I)$<\/span>&nbsp;\u0111&uacute;ng","C. C\u1ea3 hai \u0111\u1ec1u sai&nbsp;","D. C\u1ea3 hai \u0111\u1ec1u sai"],"correct":"2","answer":"<p>Ta c&oacute;&nbsp;<span class=\"math-tex\">$\\mathop {\\lim }\\limits_{x \\to - \\infty } {x^k} = + \\infty $<\/span>&nbsp;v\u1edbi k l&agrave; s\u1ed1 nguy&ecirc;n d\u01b0\u01a1ng ch\u1eb5n n&ecirc;n&nbsp;<span class=\"math-tex\">$(I)$<\/span>&nbsp;\u0111&uacute;ng<\/p><p><span class=\"math-tex\">$\\mathop {\\lim }\\limits_{x \\to -+ \\infty } {x^k} = + \\infty $<\/span>&nbsp;v\u1edbi&nbsp;<span class=\"math-tex\">$k \\ge 1$<\/span>&nbsp;n&ecirc;n&nbsp;<span class=\"math-tex\">$(II)$<\/span>&nbsp;sai<\/p><p>\u0110&aacute;p &aacute;n B<\/p>","type":"choose","user_id":"88","test":"2","date":"2020-03-17 21:54:43"},{"id":"424","test_id":"214","question":"<p>Gi&aacute; tr\u1ecb c\u1ee7a<span class=\"math-tex\">$\\mathop {\\lim }\\limits_{x \\to - 1} \\dfrac{{{x^2} - 3}}{{{x^3} + 2}}$<\/span>&nbsp;b\u1eb1ng<\/p>","options":["A. 1","B. -2","C.&nbsp;<span class=\"math-tex\">$-\\dfrac32$<\/span>","D. 2"],"correct":"2","answer":"<p>Ta c&oacute;&nbsp;<span class=\"math-tex\">$\\mathop {\\lim }\\limits_{x \\to - 1} \\dfrac{{{x^2} - 3}}{{{x^3} + 2}} = \\dfrac{{{{\\left( { - 1} \\right)}^2} - 3}}{{{{\\left( { - 1} \\right)}^3} + 2}} = - 2$<\/span><\/p><p>\u0110&aacute;p &aacute;n B<\/p>","type":"choose","user_id":"88","test":"0","date":"2020-03-17 21:57:58"}]}