• A. $5\sqrt{3}$
• B. $3\sqrt{5}$
• C. $4\sqrt{5}$
• D. $6\sqrt{5}$

Answer: Option B

Explanation:

• A. 3
• B. 2
• C. 5
• D. 8

Answer: Option A

Explanation:

• A. $4$
• B. $2\sqrt{2}$
• C. $4\sqrt{2}$
• D. $8$

Answer: Option B

Explanation:

• A. $\left(x^2-4\right)\left(x^2-4\right)$
• B. (x+4) (x-4)
• C. (x+2)(x-2)
• D. $\left(x^2+16\right)\left(x^2-16\right)$

Answer: Option B

Explanation:

• A. $x-5$
• B. $x-6$
• C. $x^2+x+3$
• D. $x^2-x-3$

Answer: Option A

Explanation:

• A. $x-5$
• B. $x-6$
• C. $x^2+x+3$
• D. $x^2-x-3$

Answer: Option A

Explanation:

• A. $x-5$
• B. $x-6$
• C. $x^2+x+3$
• D. $x^2-x+3$

Answer: Option A

Explanation:

• A. $\left(x-y\right)\left(x+11y\right)$
• B. $\left(x-11y\right)\left(x+y\right)$
• C. $\left(x+4y\right)\left(x-5y\right)$
• D. $\left(x+4y\right)\left(x-4y\right)$

Answer: Option B

Explanation:

• A. $\left(x-y-1\right)\left(x-y+1\right)$
• B. $\left(x-y+1\right)\left(x+y+1\right)$
• C. $\left(x+y+1\right)\left(x-y-1\right)$
• D. $\left(x-y\right)\left(x+y+1\right)$

Answer: Option C

Explanation:

• A. 3,-4
• B. -3,4
• C. 3,4
• D. -3,-4

Answer: Option B

Explanation:

• A. ১৪
• B. ১৬
• C. ২২
• D. ৩০

Answer: Option C

Explanation:

• A. $x^2{y}^2$
• B. xy
• C. ${\left(x^2+y^2\right)}^2$
• D. $9x^2{y}^2$

Answer: Option D

Explanation:

• A. $10$
• B. $1$
• C. $4$
• D. $6$

Answer: Option B

Explanation:

• A. $x+y\pm 3\sqrt{2}=0$
• B. $x-y\pm 3\sqrt{2}=0$
• C. $x-y\pm 2\sqrt{3}=0$
• D. $x+y\pm 2\sqrt{3}=0$

Answer: Option B

Explanation:

• A. 14
• B. 16
• C. 22
• D. 30

Answer: Option C

Explanation: