Đề thi HK2 môn Toán 12 năm 2018 - 2019 Sở GD & ĐT Tây Ninh

A. N

B. P

C. Q

D. M

A. \(\frac{{e - 2}}{4}\)

B. \(\frac{{e + 2}}{4}\)

C. \(\frac{{e - 2}}{2}\)

D. \(\frac{{e + 2}}{2}\)

A. (2;5;6)

B. (- 2;5;6)

C. (4;1;2)

D. (2;- 5;6)

A. \(\frac{4}{3}\ln \frac{{11}}{5}\)

B. \(\frac{4}{3}\ln 55\)

C. \(4\ln \frac{{11}}{5}\)

D. \(\frac{1}{3}\ln \frac{{11}}{5}\)

A. \(32\sqrt 2 \pi \)

B. \(128\sqrt 2 \pi \)

C. \(16\sqrt 2 \pi \)

D. \(64\sqrt 2 \pi \)

A. \(\cos \left( {\overrightarrow a ,\overrightarrow b } \right) = \frac{3}{7}\)

B. \(\cos \left( {\overrightarrow a ,\overrightarrow b } \right) = -\frac{3}{7}\)

C. \(\cos \left( {\overrightarrow a ,\overrightarrow b } \right) =  - \frac{4}{{21}}\)

D. \(\cos \left( {\overrightarrow a ,\overrightarrow b } \right) = \frac{4}{{21}}\)

A. \(S = \int\limits_{ - 2}^1 {\left( { - 2{x^2} - 2x + 4} \right){\rm{d}}x} \)

B. \(S = \int\limits_{ - 2}^1 {\left( { - 4x - 6} \right){\rm{d}}x} \)

C. \(S = \int\limits_{ - 2}^1 {\left( {4x + 6} \right){\rm{d}}x} \)

D. \(S = \int\limits_{ - 2}^1 {\left( {2{x^2} + 2x - 4} \right){\rm{d}}x} \)

A. \({x^2} - \frac{1}{x} + C\)

B. \({x^2} + \ln x + C\)

C. \(2 + \frac{1}{x} + C\)

D. \(2x + 2\ln x + C\)

A. - 3

B. 13

C. - 8

D. - 11

A. \(\frac{{3 + {e^2} - {e^6}}}{3}\)

B. \(\frac{{2 + {e^2} - {e^6}}}{3}\)

C. \(\frac{{{e^6} - {e^2} - 3}}{3}\)

D. \(\frac{{{e^6} - {e^2} - 2}}{3}\)

A. 13

B. \(\sqrt {13} \)

C. 1

D. \(\sqrt 5 \)

A. \(-5i\)

B. - 8

C. - 5

D. \(-8i\)

A. \(\frac{1}{4}{x^4} - \frac{1}{3}{x^3} + C.\)

B. \({x^4} - {x^3} + C.\)

C. \(3{x^2} - 2x + C.\)

D. \(\frac{1}{3}{x^4} - \frac{1}{4}{x^3} + C.\)

A. \(V = \int\limits_0^3 {{{\left( {{x^2} + 5} \right)}^2}{\rm{d}}x} .\)

B. \(V = \pi \int\limits_0^3 {\left( {{x^2} + 5} \right){\rm{d}}x} .\)

C. \(V = \pi \int\limits_0^3 {{{\left( {{x^2} + 5} \right)}^2}{\rm{d}}x} .\)

D. \(V = \int\limits_0^3 {\left( {{x^2} + 5} \right){\rm{d}}x} .\)

A. \(\sqrt 3 \pi {a^3}\)

B. \(\sqrt 3 {a^3}\)

C. \(3\sqrt 3 \pi {a^3}\)

D. \(3\sqrt 3 {a^3}\)

A. - 3

B. - 15

C. 21

D. 3

A. \(2\sqrt 5 \)

B. 44

C. 6

D. \(2\sqrt {11} \)

A. \(S = \int\limits_1^e {{3^x}{\rm{d}}} x\)

B. \(S = \pi \int\limits_1^e {{3^x}{\rm{d}}} x\)

C. \(S = \pi \int\limits_1^e {{3^x}{\rm{d}}} x\)

D. \(S = \int\limits_1^e {{3^{2x}}{\rm{d}}} x\)

A. \(F\left( 4 \right) = 5 + \sqrt 2 \)

B. \(F\left( 4 \right) = 5 - \sqrt 2 \)

C. \(F\left( 4 \right) = 4 - 2\sqrt 2 \)

D. \(F\left( 4 \right) = 5 - 2\sqrt 2 \)

A. 5

B. - 3

C. - 1

D. 2

A. \(3x - 2y + z - 19 = 0\)

B. \(2x - y - 3z - 19 = 0\)

C. \(2x - y - 3z - 7 = 0\)

D. \(3x - 2y - z - 23 = 0\)

A. \(\frac{{{5^x}}}{{\ln 5}} - 4{{\rm{e}}^x} + 3x + C\)

B. \(\frac{{{5^x}}}{{\log 5}} - 4{{\rm{e}}^x} + 3x + C\)

C. \({5^x}\ln 5 - 4{{\rm{e}}^x} + C\)

D. \({5^x} - 4{{\rm{e}}^x} + 3 + C\)

A. \(7+8i\)

B. \(8+7i\)

C. \(8-7i\)

D. \(-7+8i\)

A. \({x^3} - 4\cos x + 5\sin x + C\)

B. \({x^3} + 4\cos x + 5\sin x + C\)

C. \({x^3} - 4\cos x - 5\sin x + C\)

D. \(6x - 4\cos x - 5\sin x + C\)

A. \(\frac{9}{2}\)

B. \(\frac{{13}}{6}\)

C. \(\frac{{17}}{3}\)

D. \(\frac{{13}}{3}\)

A. \(5+6i\)

B. \(-5+6i\)

C. \(-5-6i\)

D. \(5-6i\)

A. I = 10

B. I = 20

C. I = 30

D. I = 40

A. M

B. P

C. Q

D. N

A. \(5\sqrt 2 \)

B. \(\frac{{5\sqrt 2 }}{2}\)

C. \(5\sqrt 2 \pi \)

D. \(\frac{{5\pi \sqrt 2 }}{2}\)

A. \(3\pi {a^2}\)

B. \(6\pi {a^2}\)

C. \(\frac{{4\sqrt 5 \pi {a^2}}}{3}\)

D. \(12\pi {a^2}\)

A. \(2{x^2}\ln x + 3{x^2} + C\)

B. \(2{x^2}\ln x + {x^2} + C\)

C. \(2{x^2}\ln x - {x^2} + C\)

D. \(2{x^2}\ln x - 3{x^2} + C\)

A. \(28\pi {a^3}\)

B. \(\frac{{28\sqrt 7 }}{3}\pi {a^3}\)

C. \(\frac{{28}}{3}\pi {a^3}\)

D. \(\frac{{28\sqrt 7 }}{7}\pi {a^3}\)

A. \(a+c=0\)

B. \(2a + 3b - 7c = 2019\)

C. \(a+b+c=0\)

D. \(a+b=4\)

A. - 9

B. 6

C. 15

D. 3

A. \(\frac{{144}}{3}\pi \)

B. \(128\pi \)

C. \(72\pi\)

D. \(144\pi\)

A. 1

B. 2

C. - 1

D. - 2

A. \(f\left( c \right) > f\left( a \right) > f\left( b \right)\)

B. \(f\left( b \right) > f\left( a \right) > f\left( c \right)\)

C. \(f\left( c \right) > f\left( b \right) > f\left( a \right)\)

D. \(f\left( a \right) > f\left( c \right) > f\left( b \right)\)

A. - 1

B. - 2

C. 4

D. 0

A. \( - \sin 4x - \frac{2}{3}\sin 6x + C\)

B. \( - \frac{1}{2}\cos 4x - \frac{1}{3}\cos 6x + C\)

C. \(\frac{4}{5}\cos 5x.\sin x + C\)

D. \(\frac{1}{2}\cos 4x + \frac{1}{3}\cos 6x + C\)

A. 3

B. 4

C. 6

D. 5