• A. 2,3
• B. -5,1
• C. -2,3
• D. 1,-5

Answer: Option A

Explanation:

• A. $f\left(1\right)=1$
• B. $f\left(0\right)=1$
• C. $f\left(-1\right)=1$
• D. $f\left(1\right)=3$

Answer: Option D

Explanation:

• A. 36
• B. 16
• C. 35
• D. 28

Answer: Option B

Explanation:

• A. $6$
• B. $4$
• C. $1$
• D. $-1$

Answer: Option D

Explanation:

• A. 28
• B. -44
• C. 32
• D. 26

Answer: Option A

Explanation:

• A. $\ln x$
• B. $\ln 2x$
• C. $x^2$
• D. $2x$

Answer: Option C

Explanation:

• A. 120°
• B. 140°
• C. 110°
• D. 130°

Answer: Option C

Explanation:

• A. $\frac{1}{x}$
• B. $\frac{1}{x}{\log }_{10}e$
• C. $\frac{1}{x}\log 10$
• D. ${\log }_{10}e$

Answer: Option B

Explanation:

• A. $-\sin \sqrt{x}$
• B. $\frac{-\sin \sqrt{x}}{2\sqrt{x}}$
• C. $\frac{-\sin \sqrt{x}}{\sqrt{x}}$
• D. $\frac{\sin \sqrt{x}}{2\sqrt{x}}$

Answer: Option B

Explanation:

• A. $-1$
• B. $1/2$
• C. $0$
• D. $1$

Answer: Option B

Explanation:

• A. $\frac{1}{b}-\frac{1}{a}$
• B. $\frac{1}{a}-\frac{1}{b}$
• C. $\frac{1}{a}+\frac{1}{b}$
• D. $-\frac{1}{a}-\frac{1}{b}$

Answer: Option A

Explanation:

• A. $-1$
• B. $1$
• C. $\frac{1}{2}$
• D. $2$

Answer: Option B

Explanation:

• B. – 1
• C. -2
• D. অনির্ণেয়

Answer: Option B

Explanation:

• A. 1,2,3,5
• B. 1,3,5,7
• C. 2,4,6,8
• D. {-1,-2,-3,-4}

Answer: Option D

Explanation:

• A. 12
• B. 14
• C. 16
• D. 18

Answer: Option D

Explanation: