Đề thi HK2 môn Toán lớp 11 Trường THPT Liễn Sơn -...

A. \(\lim 3^x\)

B. \(\lim \frac{{2{n^2} - 3n + 1}}{{{n^3} + 4{n^2} - 3}}\)

C. \(\lim {n^k}\left( {k \in {N^*}} \right)\)

D. \(\lim \frac{{{n^3}}}{{{n^2} + 3}}\)

A. \(\frac{1}{2}\)

B. \(\frac{1}{6}\)

C. \( - \infty \)

D. \( + \infty \)

A. \(y' = \frac{{ - 3}}{{{{( - x + 1)}^2}}}\)

B. \(y' = \frac{3}{{{{( - x + 1)}^2}}}\)

C. \(y' = \frac{{11}}{{{{(1 - x)}^2}}}\)

D. \(y' = \frac{{ - 11}}{{{{(1 - x)}^2}}}\)

A. \(f'(x) = 2c{\rm{os2}}x + 5\sin x\)

B. \(f'(x) = 2\cos 2x - 5\sin x\)

C. \(f'(x) = \cos 2x + 5\sin x\)

D. \(f'(x) =  - 2\cos 2x - 5\sin x\)

A. \(24m/{s^2}\)

B. \(17m/{s^2}\)

C. \(14m/{s^2}\)

D. \(12m/{s^2}\)

A. 4

B. - 12

C. 1

D. 0

A. \(\overrightarrow {AI}  = \frac{1}{2}\overrightarrow a  + \overrightarrow b  + \frac{1}{2}\overrightarrow c \)

B. \(\overrightarrow {AC'}  =  - \overrightarrow a  + \overrightarrow b  + \overrightarrow c \)

C. \(\overrightarrow {AI}  = \overrightarrow a  + \frac{1}{2}\overrightarrow b  + \frac{1}{2}\overrightarrow c \)

D. \(\overrightarrow {AC'}  = 2(\overrightarrow a  + \overrightarrow b  + \overrightarrow c )\)