Factorize \(9p^2 - q^2 + 6qr - 9r^2\)
MATHEMATICS
JAMB 1992
Factorize \(9p^2 - q^2 + 6qr - 9r^2\)
- A. (3p - 3q + r)(3p - q - 3r)
- B. (6p - 3q - 3r)(3p - q - 4r)
- C. (3p - q + 3r)(3p + q - 3r)
- D. (3q - p + 3r)(3q - p + 3r)
Correct Answer: C. (3p - q + 3r)(3p + q - 3r)
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