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

Answer: Option B

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. (7p + 8)(p - 1)
• B. (7p - 8)(p - 1)
• C. (7p + 8)(p + 1)
• D. (7p - 8)(p + 1)

Answer: Option D

Explanation:

• A. (2x+1)(3x-5)
• B. (2x+5)(3x-1)
• C. (2x-1)(3x+5)
• D. (2x-5)(3x+1)

Answer: Option A

Explanation:

• A. (1 - x)2
• B. (5 - x) (1 - x)
• C. (5 + x) (1 - x)
• D. (x + 2) (x + 3)

Answer: Option C

Explanation:

• A. (2x² + 2x + 1)(2x² - 2x - 1)
• B. (2x² + 2x - 1)(2x² - 2x - 1)
• C. (2x² + 2x + 1)(2x² - 2x + 1)
• D. (2x² + 2x - 1)(2x² - 2x + 1)

Answer: Option C

Explanation:

• A. (4x-11)(x-3)
• B. (4x-12)(x-2)
• C. (4x-12)(x-11)
• D. (4x-10)(x-13)

Answer: Option A

Explanation:

• A. (x + 2) (4x + 3)
• B. (x + 2) (4x - 3)
• C. (x - 2) (4x + 3)
• D. (x - 2) (4x - 3)

Answer: Option B

Explanation:

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

Answer: Option C

Explanation:

• A. (x+1)(3x+4)
• B. (x+3)(x+1)
• C. (x+2)(x-2)
• D. (x+1)(3x-4)

Answer: Option A

Explanation:

• A. (7x + 4) (5x - 3)
• B. (7x - 4) (5x - 3)
• C. (7x + 4) (5x + 3)
• D. (7x - 4) (5x + 3)

Answer: Option A

Explanation:

• A. 7-x
• B. 5-x
• C. 5+x
• D. 12-x

Answer: Option B

Explanation:

• A. (x - 5) (x - 7)
• B. (x + 5) (x + 7)
• C. (5 - x) (7 + x)
• D. (x - 5)

Answer: Option C

Explanation:

• A. (√2x - 5)(2x² + 5√2x + 25)
• B. (√2x + 5)(2x² + 5√2x - 25)
• C. (√2x + 5)(2x² - 5√2x + 25)
• D. (√2x + 5)(2x² - 5√2x - 25)

Answer: Option C

Explanation:

• A. (2y2 + 6y + 2)(y2 - 3y + 1)
• B. (2y2 - 7y + 1)(2y2 + 7y + 1)
• C. 2(y2 + 3y + 1)(y2 - 3y + 1)
• D. 2(y2 + 3y + 1)(y2 -3y -1)

Answer: Option C

Explanation: