Đề tham khảo tốt nghiệp THPT môn Toán - Đề số 7

${60^o}$

${90^o}$

${30^o}$

${45^o}$

$\frac{{\sqrt 2 {a^3}}}{6}$

$3{a^3}$

${a^3}$

$\frac{{\sqrt 2 {a^3}}}{3}$

$\frac{1}{4}{x^4} - \frac{1}{2}{x^2} + C$

$3{x^2} - 1 + C$

$\frac{{{x^4}}}{4} + C$

${x^4} + {x^2} + C$

40

540

200

450

$\overrightarrow a \left( { - 1;2; - 3} \right)$

$\overrightarrow a \left( {2; - 1;3} \right)$

$\overrightarrow a \left( { - 1;2;3} \right)$

$\overrightarrow a \left( {2; - 1; - 3} \right)$

$\left( {2;\, + \infty } \right)$

$\left( { - \infty ;\, - 2} \right)$

$\left( { - 2;\, + \infty } \right)$

$\left( { - 2;\,0} \right)$

$f'\left( 2 \right) = 2e$

$f'\left( 2 \right) = - {e^2}$

$f'\left( 2 \right) = e$

$f'\left( 2 \right) = {e^2}$

$S = \left\{ {\frac{\pi }{6} + k2\pi ;\frac{{5\pi }}{6} + k2\pi ,k \in \mathbb{Z}} \right\}$

$S = \left\{ { - \frac{\pi }{6} + k2\pi ;\frac{\pi }{6} + k2\pi ,k \in \mathbb{Z}} \right\}$s

$S = \left\{ { - \frac{\pi }{6} + k2\pi ;\frac{{7\pi }}{6} + k2\pi ,k \in \mathbb{Z}} \right\}$

$S = \left\{ {\frac{1}{6} + k2\pi ,k \in \mathbb{Z}} \right\}$

$\overrightarrow a .\vec b = \left| {\overrightarrow a } \right|.\left| {\vec b} \right|$

$\overrightarrow a .\vec b = \left| {\overrightarrow a } \right|.\left| {\vec b} \right|.\sin (\overrightarrow a .\overrightarrow b )$

$\overrightarrow a .\vec b = \left| {\overrightarrow a } \right|.\left| {\vec b} \right|.\cos (\overrightarrow a .\overrightarrow b )$

$\overrightarrow a .\vec b = - \left| {\overrightarrow a } \right|.\left| {\vec b} \right|$

$\left( {2; + \infty } \right)$

$\left( {0;2} \right)$

$\left( { - \infty ;2} \right)$

$\left( {2;3} \right)$

$\overrightarrow a = \left( {2;4; - 1} \right)$

$\overrightarrow a = \left( {2;2; - 4} \right)$

$\overrightarrow a = \left( {0;1; - 1} \right)$

$\overrightarrow a = \left( {2;4; - 5} \right)$

$2x - y + 3z + 8 = 0$

$2x + y + 3z - 3 = 0$

$2x + y + 3z + 5 = 0$

$2x - y + 3z - 8 = 0$