Factorize completely 81a\(^4\) - 16b\(^4\)
MATHEMATICS
JAMB 2021
Factorize completely 81a\(^4\) - 16b\(^4\)
- A. (3a + 2b)(2a - 3b)(9a2 + 4b2)
- B. (3a - 2b)(2a - 3b)(4a2 - 9b2)
- C. (3a - 2b)(3a + 2b)(9a2 + 4b2)
- D. (6a - 2b)(8a - 3b)(4a3 - 9b2)
Correct Answer: C. (3a - 2b)(3a + 2b)(9a2 + 4b2)
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Y are u not giving explanation