Đề thi HK1 môn Toán lớp 11 Trường THPT Chuyên Amst...

A \(D = \left\{ {x \in \mathbb{R},\,x \ne \dfrac{\pi }{2} + k\pi ,k \in \mathbb{Z}} \right\}\).

B \(D = \left\{ {x \in \mathbb{R},\,x \ne k\dfrac{\pi }{2},k \in \mathbb{Z}} \right\}\). 

C \(D = \left\{ {x \in \mathbb{R},\,x \ne \dfrac{\pi }{2} + k2\pi ,k \in \mathbb{Z}} \right\}\).

D \(D = \left\{ {x \in \mathbb{R},\,x \ne k\pi ,k \in \mathbb{Z}} \right\}\).

A

\({6^{50}}\).

B \({50^6}\).

C \(C_{50}^6\).

D \(A_{50}^6\).

A 8

B 9

C 11

D 10

A \(\overrightarrow v  = \left( {2;4} \right)\).

B \(\overrightarrow v  = \left( {2; - 1} \right)\).

C \(\overrightarrow v  = \left( {4;2} \right)\).   

D \(\overrightarrow v  = \left( { - 1;2} \right)\).

A \( - 13368\).

B \(13368\).

C \( - 13848\).

D \(13848\).

A \(SD\).

B \(SO\) (O là tâm hình bình hành \(ABCD\)).

C \(SG\) (G là trung điểm của AB).

D \(SF\) (F là trung điểm của CD).

A \({2^{2018}}\).

B \({2^{2018}} + 1\).

C \({2^{2018}} - 1\).

D \({2^{2019}}\).

A 0,95.

B 0,92.

C 0,48.

D 0.96.

A \(0 \le m \le \dfrac{1}{8}\).

B \( - \dfrac{1}{8} \le m \le \dfrac{1}{8}\).

C \(m \ge \dfrac{1}{8}\).

D \( - \dfrac{1}{8} \le m \le 0\).

A \(\dfrac{1}{{30}}\).

B \(\dfrac{1}{{28}}\).

C \(\dfrac{2}{{15}}\).

D \(\dfrac{1}{{15}}\).

A \(\dfrac{{{a^2}\sqrt 2 }}{6}\).

B \(\dfrac{{{a^2}\sqrt 3 }}{4}\).

C \(\dfrac{{{a^2}\sqrt 2 }}{4}\).            

D \(\dfrac{{{a^2}\sqrt 3 }}{2}\).

A 4

B 2

C 3

D 1

A \(\dfrac{1}{{26}}\).

B \(\dfrac{1}{{25}}\).

C \(\dfrac{1}{{21}}\).

D \(\dfrac{1}{{27}}\).

A Hình thoi.

B Hình vuông

C Hình chữ nhật.

D Hình bình hành.

A \(MN//\left( {SCD} \right)\).

B \(MN//\left( {SBD} \right)\).

C \(MN//\left( {SAP} \right)\).

D \(MN//\left( {SDP} \right)\).

A \(x = \dfrac{\pi }{6} + k\pi ,\,x =  - \dfrac{\pi }{3} + k\pi ,\,k \in \mathbb{Z}\).

B \(x = \dfrac{-\pi }{6} + k\pi ,\,x =  - \dfrac{\pi }{3} + k\pi ,\,k \in \mathbb{Z}\).

C \(x = \dfrac{\pi }{6} + k\pi ,\,x =  \dfrac{\pi }{3} + k\pi ,\,k \in \mathbb{Z}\).

D \(x =- \dfrac{\pi }{6} + k\pi ,\,x =  \dfrac{\pi }{3} + k\pi ,\,k \in \mathbb{Z}\).

A \(\left[ \begin{array}{l}
x = \dfrac{{5\pi }}{6} + k2\pi \\
x = \dfrac{{5\pi }}{{18}} + k\dfrac{{2\pi }}{3}
\end{array} \right.\,\,\left( {k \in Z} \right)\)

B \(x = -\dfrac{{5\pi }}{{18}} + k\dfrac{{2\pi }}{3},k \in \mathbb{Z}\).

C \(x = \dfrac{{5\pi }}{{18}} + k\dfrac{{2\pi }}{3},k \in \mathbb{Z}\).

D \(\left[ \begin{array}{l}
x =- \dfrac{{5\pi }}{6} + k2\pi \\
x =- \dfrac{{5\pi }}{{18}} + k\dfrac{{2\pi }}{3}
\end{array} \right.\,\,\left( {k \in Z} \right)\)

A \(\left[ \begin{array}{l}
m = 0\\
m = \pm \dfrac{1}{{\sqrt {6930} }}
\end{array} \right.\)

B \(m = 0\)

C \(m =  \pm \dfrac{1}{{\sqrt {6930} }}\)

D Không có m thỏa mãn

A 32

B 33

C 34

D 35