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

Answer: Option A

Explanation:

• A. -6
• B. 6
• C. 3
• D. -3

Answer: Option D

Explanation:

• A. $a-4$
• B. $a^2-a-2$
• C. Try yourself
• D. $a^2-a+2$

Answer: Option C

Explanation:

• A. ৩৫
• B. ৩০
• C. ১২
• D. ৬

Answer: Option B

Explanation:

• A. ৫
• B. ৮
• C. ১০
• D. ১২

Answer: Option C

Explanation:

• A. ১২
• B. ১৮
• C. ২২
• D. ২৪

Answer: Option D

Explanation:

• A. w>x>y>z
• B. w>x>z>y
• C. x>z>y>w
• D. z

Answer: Option B

Explanation:

• A. +2
• B. +1
• C. -1

Answer: Option B

Explanation:

• A. $\left(x-4\right)\left(x+6\right)$
• B. $\left(x-1\right)\left(x-1\right)$
• C. $\left(x+24\right)\left(x-24\right)$
• D. $\left(x-24\right)\left(x+26\right)$

Answer: Option B

Explanation:

• A. $\frac{2}{3}$
• B. $\frac{-2}{3}$
• C. $\frac{8}{3}$
• D. $\frac{-8}{3}$

Answer: Option A

Explanation:

• A. 7
• B. 9
• C. 11
• D. 13

Answer: Option C

Explanation:

• A. ৮
• B. ৯
• C. ৬
• D. ৫

Answer: Option B

Explanation:

• A. x=1
• B. x=-1/2
• C. x=2
• D. x=-2

Answer: Option D

Explanation:

• A. x>0
• B. x<0
• C. x>2 or x < 0
• D. -2

Answer: Option C

Explanation:

• A. ৩৬
• B. ৩৩
• C. ৩২
• D. ৩০

Answer: Option A

Explanation: