• A. $a^{2}bc$
• B. $2a^{2}bc$
• C. $2a^2{b}^2{c}^2$
• D. কোনোটিই নয়

Answer: Option D

Explanation:

• A. -10
• B. -4
• D. 4

Answer: Option B

Explanation:

• A. $\frac{-10}{\left(2ab-a-b\right)}$
• B. $\frac{-3}{\left(a-b\right)}$
• C. $\frac{-7}{\left(a-b\right)}$
• D. $\frac{-7}{\left(b-a\right)}$

Answer: Option D

Explanation:

• A. $0$
• B. $1$
• C. $x^2-y^2$
• D. $x+y$

Answer: Option B

Explanation:

• A. x=4
• B. x=-4
• C. x>3
• D. x>0

Answer: Option D

Explanation:

• A. x=1
• B. x=3
• C. x>3
• D. x>0

Answer: Option C

Explanation:

• A. $\left(x^2-y^2\right)\left(x^2+xy+y^2\right)$
• B. $x^3-y^3$
• C. $x-y$
• D. $x+y$

Answer: Option A

Explanation:

• A. x-5
• B. x+5
• C. x(x+5)
• D. x(x-5)

Answer: Option B

Explanation:

• B. 1
• C. x-2
• D. x+2

Answer: Option B

Explanation:

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

Answer: Option A

Explanation:

• A. (x-1)(x-2)(x-3)
• B. (x-1)(x-2)(x+3)
• C. (x-1)(x+2)(x-3)
• D. (x-2)

Answer: Option A

Explanation:

• A. 9
• C. 4
• D. 7

Answer: Option A

Explanation:

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

Answer: Option D

Explanation:

• A. 9abc
• B. $9a^3{b}^3{c}^3$
• C. $3a^3{b}^3{c}^3$
• D. 3abc

Answer: Option D

Explanation:

• A. a(a-3)
• B. a-3
• C. a
• D. a(a+3)

Answer: Option B

Explanation: