Make p the subject of the relation: q = \(\frac{3p}{r} + \frac{s}{2}\)
MATHEMATICS
WAEC 2012
Make p the subject of the relation: q = \(\frac{3p}{r} + \frac{s}{2}\)
- A. p = \(\frac{2q - rs}{6}\)
- B. p = 2qr - sr - 3
- C. p = \(\frac{2qr - s}{6}\)
- D. p = \(\frac{2qr - rs}{6}\)
Correct Answer: D. p = \(\frac{2qr - rs}{6}\)
Explanation
q = \(\frac{3p}{r} + \frac{s}{2}\)
q = \(\frac{6p + rs}{2r}\)
6p + rs = 2qr
6p = 2qr - rs
p = \(\frac{2qr - rs}{6}\)
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