Ôn thi tốt nghiệp THPT môn Toán - Lớp 12 - Đề tham khảo tốt nghiệp THPT môn Toán năm 2025 của Bộ Giáo dục đào tạo
{"save":1,"level":1,"time":"90","total":34,"point":5,"segment":[{"id":"3488","test_id":"474","question":"<p>Nguyên hàm c\u1ee7a hàm s\u1ed1 <span class=\"math-tex\">$f(x)=e^x$<\/span> là:<\/p>","options":["A. <span class=\"math-tex\">${e^{x+1} \\over {x+1} }+C$<\/span>","B. <span class=\"math-tex\">$e^x + C$<\/span>","C. <span class=\"math-tex\">${e^x \\over x }+C $<\/span>","D. <span class=\"math-tex\">$x.e^{x-1} + C$<\/span>"],"correct":"2","answer":"<p>\u0110áp án \u0111úng là <strong><span style=\"color:#16a085;\">B. <span class=\"math-tex\">$e^x + C$<\/span>.<\/span><\/strong><\/p><p><span class=\"math-tex\">$\\int e^xdx=e^x+C$<\/span>.<\/p>","type":"choose","user_id":"119","test":"3","date":"2025-04-15 11:31:51"},{"id":"3489","test_id":"474","question":"<p>Cho hàm s\u1ed1 <span class=\"math-tex\">$y = f(x)$<\/span> liên t\u1ee5c, nh\u1eadn giá tr\u1ecb t\u01b0\u01a1ng \u0111\u01b0\u01a1ng trên \u0111o\u1ea1n <span class=\"math-tex\">$[ a;b ]$<\/span>. Xét hình ph\u1eb3ng (H) gi\u1edbi h\u1ea1n b\u1edfi \u0111\u1ed3 th\u1ecb hàm s\u1ed1 <span class=\"math-tex\">$y = f(x)$<\/span>, tr\u1ee5c hoành và hai \u0111\u01b0\u1eddng th\u1eb3ng <span class=\"math-tex\">$x = a, x = b$<\/span>. Kh\u1ed1i tròn xoay \u0111\u01b0\u1ee3c t\u1ea1o thành khi quay hình ph\u1eb3ng (H) quanh tr\u1ee5c <span class=\"math-tex\">$Ox$<\/span> có th\u1ec3 tích là: <\/p>","options":["<strong>A<\/strong>.<i> <span class=\"math-tex\">$V = \\pi\\int_a^b|f(x)|dx$<\/span><\/i>","<b>B.<i> <span class=\"math-tex\">$V = \\pi^2\\int_a^bf(x)dx$<\/span><\/i><\/b>","<strong>C. <span class=\"math-tex\">$V = \\pi^2\\int_a^b[f(x)]^2dx$<\/span><\/strong>","<strong>D.<i> <span class=\"math-tex\">$V = \\pi\\int_a^b[f(x)]^2dx$<\/span><\/i><\/strong>"],"correct":"4","answer":"<p>\u0110áp án \u0111úng là:<strong> <span style=\"color:#16a085;\">D. <i> <span class=\"math-tex\">$V = \\pi\\int_a^b[f(x)]^2dx$<\/span>.<\/i><\/span><\/strong><\/p><p>Công th\u1ee9c tính th\u1ec3 tích kh\u1ed1i tròn xoay \u0111\u01b0\u1ee3c t\u1ea1o thành khi quay hình ph\u1eb3ng (H) quanh tr\u1ee5c <span class=\"math-tex\">$Ox$<\/span> là<\/p><p><strong><i><span class=\"math-tex\">$V = \\pi\\int_a^b[f(x)]^2dx$<\/span><\/i><\/strong><\/p>","type":"choose","user_id":"119","test":"1","date":"2025-04-15 11:32:51"}]}