• A. (১,০,০) (০,১,০)(০,০,১)
• B. (১,২,৩) (০,১,২) (১, ০,০)
• C. (১, ২,৩) (১,০,০) (০,১,০)(০,০,১)
• D. (২,৩,৫)(৪,৩,৫)(০,১,০)

Answer: Option A

Explanation:

• A. x=2, y =-2 z=1
• B. x =2 , y =2 z=1
• C. x=1 , y =4 , z=4
• D. x =1 , y=2 , z=0

Answer: Option B

Explanation:

• A. $a$
• B. $a$
• C. $a+b$
• D. $\frac{1}{2}\left(a+b\right)$

Answer: Option D

Explanation:

• A. $0$
• B. $1$
• C. $\frac{1}{2}$
• D. $2$

Answer: Option B

Explanation:

• A. ০
• B. ১
• C. ২
• D. ৪

Answer: Option B

Explanation:

• A. $8:3$
• B. $5:6$
• C. $3:8$
• D. $6:4$

Answer: Option A

Explanation:

• A. $u$
• B. $2u$
• C. $4u$
• D. $3u$

Answer: Option D

Explanation:

• A. $f"\left(2\right)<0$
• B. $f"\left(2\right)>0$
• C. $f"\left(2\right)=0$
• D. $f\text{'}\left(2\right)=0$

Answer: Option B

Explanation:

• A. $\frac{1}{2}\frac{7x^2}{2\log e7}+c$
• B. $\frac{1}{2}\frac{7x^2}{2\log e7}+c$
• C. $\frac{7x^2}{\log 7^c}+c$
• D. Try your self

Answer: Option D

Explanation:

• A. $\frac{d^{3}y}{d{x}^3}=0$
• B. $\frac{d^{2}y}{d{x}^2}+2a=0$
• C. $\frac{dy}{dx}+2ax-b=0$
• D. $\frac{d^{3}y}{d{x}^2}+\frac{d^{2}y}{d{x}^2}+\frac{dy}{dx}-2ay=0$

Answer: Option C

Explanation:

• A. AB Not = BA
• B. AB = BA
• C. AB =-BA
• D. BA=B

Answer: Option A

Explanation:

• A. (1,0,0), (0,1,0) (0,0,1)
• B. (1,2,3) (0,1,2) (1,0,0)
• C. (1,2,3) (1,0,0), (0,1,0) (0,0,1)
• D. (2,3,5), (3,4,5), (0,1,0)

Answer: Option A

Explanation:

• A. 6
• B. 1
• C. $\frac{11}{6}$
• D. -1

Answer: Option B

Explanation:

• A. Parabola
• B. Ellipse
• C. circle
• D. hyperola

Answer: Option B

Explanation:

• A. (২,৪)
• B. (৪,-১)
• C. (১,১)
• D. (০,-২)

Answer: Option C

Explanation: