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

Answer: Option D

Explanation:

• A. $1$
• B. $-1$
• C. $0$
• D. কোনটিই নয়

Answer: Option B

Explanation:

• A. $-x$
• B. $1$
• C. $-1$
• D. $x$

Answer: Option C

Explanation:

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

Answer: Option B

Explanation:

• A. $5$
• B. $6$
• C. $-5$
• D. $12$

Answer: Option B

Explanation:

• A. $\frac{3}{2}$
• B. $\frac{3}{4t}$
• C. $\frac{3}{2t}$
• D. $\frac{3}{4}$

Answer: Option B

Explanation:

• A. $-\frac{y In y}{x}$
• B. $\frac{e^x}{a{y}^{a-1}}$
• C. $\frac{x In y}{y}$
• D. $-\frac{x In a}{y}$

Answer: Option A

Explanation:

• A. $9$
• B. $10$
• C. $12$
• D. কোনোটিই নয়

Answer: Option B

Explanation:

• A. ellipse
• B. parabola
• C. circle
• D. hyperbola

Answer: Option C

Explanation:

• A. (0.0)
• B. (2,0)
• C. (3,0)
• D. (2,3)

Answer: Option C

Explanation:

• A. 12
• B. 6
• C. 8
• D. 10

Answer: Option B

Explanation:

• A. 1
• B. 2
• C. 3
• D. 4

Answer: Option B

Explanation:

• A. $f\text{'}\left(a\right)=0$
• B. $f\text{'}\left(a\right)>0$
• C. $f\text{'}\left(a\right)\ne 0$
• D. $f\text{'}\left(a\right)<0$

Answer: Option B

Explanation:

• A. 14
• B. 7
• D. 5

Answer: Option A

Explanation:

• A. (4, 14)
• B. (-10, 4)
• C. (14, 4)
• D. (4, -10)

Answer: Option C

Explanation: