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

Answer: Option C

Explanation:

• A. (x - 5)(x-4)
• B. (x + 5)(x-4)
• C. (x - 5)(x+4)
• D. (x + 5)(x+4)

Answer: Option B

Explanation:

• A. x + 5
• B. x - 9
• C. x + 7
• D. x + 3

Answer: Option D

Explanation:

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

Answer: Option C

Explanation:

• A. (x+3)(2x-5)
• B. (x+3)(2x+5)(x-3)(2x-5)
• C. (x-3)(2x-5)

Answer: Option A

Explanation:

• A. 2 a 2 − 5 a b − 8 b 2
• B. 2 a 2 − 5 a b + 8 b 2
• C. 2 a 2 + 5 a b + 8 b 2
• D. কোনোটিই নয়

Answer: Option C

Explanation:

• A. x-2
• B. 2x-1
• C. x 2 − 1
• D. x 2 + 1

Answer: Option C

Explanation:

• A. x2 + x + 1
• B. x2 - x + 1
• C. x2 + 1
• D. x + 1

Answer: Option B

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. (p3 - q3)(p3 + q3)
• B. (p + q)(p2 - pq + q2)(p3 - q3)
• C. (p2 - q2)(p2 - pq + q2)(p2 - pq + q2)
• D. (p + q)(p - q)(p2 - pq + q2)(p2 - pq + q2)

Answer: Option D

Explanation:

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

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

Answer: Option D

Explanation:

• A. x - 2
• B. x - 4
• C. x2 - x - 2
• D. x2 - 2x - 2

Answer: Option A

Explanation:

• A. (x + 2)(x - 5)
• B. (x - 2)(x + 5)
• C. (x + 3)(x - 5)
• D. (x - 3)(x + 5)

Answer: Option A

Explanation: