1 . a+b3

• A. 16
• B. 64
• C. 12
• D. 24

Answer: Option B

Explanation:

2 . a3-9b3+a+b3

• A. $2a^2-5ab-8b^2$
• B. $2a^2-5ab+8b^2$
• C. $2a^2+5ab+8b^2$
• D. কোনোটিই নয়

Answer: Option C

Explanation:

3 . a+b3

• A. 120
• B. 100
• C. 150
• D. 125

Answer: Option D

Explanation:

4 . a+b3=?

• A. $a^3+b^3+3ab(a+b)$
• B. $a^3+3a^{2}b+3ab+b^3$
• C. $a^3+3ab+3a{b}^2+b^3$
• D. $a^3+b^3-3ab(a-b)$

Answer: Option A

Explanation: