• A. 10
• B. 4 √ 3
• C. 4 √ 3
• D. 12

Answer: Option A

Explanation:

• A. 6
• B. 7
• C. 9
• D. 16

Answer: Option A

Explanation:

• A. 4x + 2y + 3 = 0
• B. 4x – 2y - 3 = 0
• C. 4x - 2y + 3 = 0
• D. 4x + 2y - 3 = 0

Answer: Option C

Explanation:

• A. 4
• B. 2
• C. 6
• D. in 6

Answer: Option D

Explanation:

• A. $\frac{1}{2}{\tan }^{-1}\left(\frac{\tan x}{2}\right)+c$
• B. $\frac{1}{3}{\tan }^{-1}\left(\frac{\tan x}{2}\right)+c$
• C. $2{\tan }^{-1}\left(\frac{\tan x}{2}\right)+c$
• D. ${\tan }^{-1}\left(ex\right)+c$

Answer: Option A

Explanation:

• A. 8
• B. 3
• C. 6
• D. 4

Answer: Option D

Explanation:

• A. $\frac{n!}{x^{n+1}}$
• B. $\frac{{\left(-1\right)}^{n}n!}{x^{n+1}}$
• C. $\frac{{\left(-1\right)}^{n+1}n!}{\left(n+1\right)!}$
• D. $\frac{{\left(-1\right)}^{n+1}n!}{\left(n-1\right)!}$

Answer: Option B

Explanation:

• A. 2
• B. -1
• D. 1

Answer: Option A

Explanation:

• A. $x=\frac{\pi }{6}$
• B. $x=\frac{-3\pi }{2}$
• C. $x=\frac{\pi }{2}$
• D. $x=0$

Answer: Option A

Explanation:

• A. 0°
• B. 45°
• C. 30°
• D. 60°

Answer: Option C

Explanation:

• A. $-\frac{1}{2}\left(x+\frac{1}{x^2}\right)$
• B. $\frac{1}{2}\left(x-\frac{1}{x^2}\right)$
• C. $\frac{1}{2}\left(x^2+\frac{1}{x^2}\right)$
• D. $\frac{1}{2}\left(\frac{1}{x^2}-x\right)$

Answer: Option D

Explanation:

• A. 1
• B. -2
• C. 2
• D. কোনটিই নয়

Answer: Option B

Explanation:

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

Answer: Option B

Explanation:

• A. 314.3
• B. 337.5
• C. 325.5
• D. 347.5

Answer: Option A

Explanation:

• A. 10
• B. 15
• C. 20
• D. 25

Answer: Option B

Explanation: