• A. a3 + 3a2b + 3ab2 + b3
• B. (a + b)3 + 3ab(a + b)
• C. (a + b)3 - 3ab(a + b)
• D. (a + b)(a2 + ab + b2)

Answer: Option C

Explanation:

• A. (a + b)(a + b)(a + b)
• B. (a + b)(a2 + b2)
• C. (a - b)(a + b)(a2 + b2)
• D. (a + b)(a2 - ab + b2)

Answer: Option D

Explanation:

• A. 1
• B. a3 + b3
• C. a6 - b6
• D. a3 - b3

Answer: Option C

Explanation:

• A. a + b
• B. a - b
• C. a2 + b2
• D. a2 - b2

Answer: Option B

Explanation:

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

Answer: Option B

Explanation:

• A. (a + 1) (a2 - a - 4)
• B. (a - 1) (a2 + a - 4)
• C. (a + 1) (a2 + a + 4)
• D. (a - 1) (a2 - a - 4)

Answer: Option D

Explanation:

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

Answer: Option C

Explanation:

• A. a - c
• B. a - b
• C. 1
• D. b + c

Answer: Option C

Explanation:

• A. $a^{\frac{1}{3}}$
• B. $a^{-\frac{1}{3}}$
• C. $a^3$
• D. $a^{-3}$

Answer: Option A

Explanation:

• A. a
• B. $1$
• C. $a^{\frac{1}{3}}$
• D. $a^3$

Answer: Option C

Explanation:

• A. (a2 + 2a + 2)(a2 + 2a - 2)
• B. (a2 + 2a + 2)(a2 - 2a + 2)
• C. (a2 - 2a + 2)(a2 + 2a - 2)
• D. (a2 - 2a - 2)(a2 - 2a + 2)

Answer: Option B

Explanation:

• A. (a2 + a + 1) (a2 + a + 1)
• B. (a2 - a - 1) (a2 - a - 1)
• C. (a2 - a + 1) (a2 + a - 1)
• D. (a2 + a + 1) (a2 - a + 1)

Answer: Option D

Explanation:

• A. (a - 2) (a2 - 2a + 4)
• B. (a + 2) (a2 - 2a + 4)
• C. a (a - 2) (a2 + 2a + 4)
• D. (a - 2) (a2 + 2a + 4)

Answer: Option C

Explanation:

• A. a - b
• B. a + 1
• C. 1
• D. a - 1

Answer: Option C

Explanation:

• A. 49:70:40
• B. 49:40:70
• C. 40:70:49
• D. 70:49:40

Answer: Option D

Explanation: