{"common":{"save":0,"post_id":"7087","level":1,"total":10,"point":10,"point_extra":0},"segment":[{"id":"5211","post_id":"7087","mon_id":"1158924","chapter_id":"1159163","question":"<p>Gi&aacute; tr\u1ecb c\u1ee7a gi\u1edbi h\u1ea1n&nbsp;<span class=\"math-tex\">$\\lim\\limits_{x \\to 2} (3x^2+7x+11)$<\/span> l&agrave;:<\/p>","options":["<strong>A.<\/strong> 37","<strong>B.<\/strong> 38","<strong>C.<\/strong> 39","<strong>D.<\/strong> 40"],"correct":"1","level":"1","hint":"","answer":"<p>Ch\u1ecdn&nbsp;<span style=\"color:#16a085;\"><strong>A.<\/strong>&nbsp;37<\/span><\/p><p><span class=\"math-tex\">$\\lim\\limits_{x \\to 2} (3x^2+7x+11)$<\/span>&nbsp;= 3 . 2&sup2; + 7 . 2 + 11 = 37<\/p>","type":"choose","extra_type":"classic","user_id":"131","test":"0","date":"2024-02-28 01:19:02","option_type":"txt","len":0},{"id":"5214","post_id":"7087","mon_id":"1158924","chapter_id":"1159163","question":"<p>Gi&aacute; tr\u1ecb c\u1ee7a gi\u1edbi h\u1ea1n&nbsp;<span class=\"math-tex\">$\\lim_\\limits{x \\to \\sqrt{3}} \\mid{x^2-4}\\mid$<\/span> l&agrave;:<\/p>","options":["<strong>A.<\/strong> 0","<strong>B.<\/strong> 1","<strong>C.<\/strong> 2","<strong>D.<\/strong> 3"],"correct":"2","level":"1","hint":"","answer":"<p>Ch\u1ecdn&nbsp;<span style=\"color:#16a085;\"><strong>B.<\/strong>&nbsp;1<\/span><\/p><p><span class=\"math-tex\">$\\lim_\\limits{x \\to \\sqrt{3}} \\mid{x^2-4}\\mid$<\/span>&nbsp;= |&nbsp;<span class=\"math-tex\">$(\\sqrt{3})^2$<\/span>&nbsp;&ndash; 4| = 1<\/p>","type":"choose","extra_type":"shape1","user_id":"131","test":"0","date":"2024-02-28 01:25:42","option_type":"txt","len":0},{"id":"5215","post_id":"7087","mon_id":"1158924","chapter_id":"1159163","question":"<p>Gi&aacute; tr\u1ecb c\u1ee7a gi\u1edbi h\u1ea1n&nbsp;<span class=\"math-tex\">$\\lim_\\limits{x\\to 0} x^2\\sin\\dfrac{1}{2}$<\/span> l&agrave;:<\/p>","options":["<strong>A.<\/strong> sin<span class=\"math-tex\">$\\dfrac{1}{2}$<\/span>","<strong>B.<\/strong> <span class=\"math-tex\">$+\\infty$<\/span>","<strong>C.<\/strong> <span class=\"math-tex\">$-\\infty$<\/span>","<strong>D.<\/strong> 0"],"correct":"4","level":"1","hint":"","answer":"<p>Ch\u1ecdn&nbsp;<span style=\"color:#16a085;\"><strong>D.<\/strong>&nbsp;0<\/span><\/p><p><span class=\"math-tex\">$\\lim_\\limits{x\\to 0} x^2\\sin\\dfrac{1}{2}$<\/span>&nbsp;= 0&sup2; . sin<span class=\"math-tex\">$\\dfrac{1}{2}$<\/span>&nbsp;= 0<\/p>","type":"choose","extra_type":"classic","user_id":"131","test":"0","date":"2024-02-28 01:29:29","option_type":"math","len":0}]}