Source: Previous Question Papers

Which of the following are the factors of 16x⁴ – 81 [Select the correct alternatives]

Options

Option A

(4x + 9) (4x – 9)

Option B is correct

(4x² + 9) (4x² – 9)

Option C is correct

(4x² + 9) (2x + 3) (2x – 3)

Option D

(2x + 3)² (2x – 3)