Simplify: \(\frac{2}{3xy} - \frac{3}{4yz}\)
MATHEMATICS
WAEC 2005
Simplify: \(\frac{2}{3xy} - \frac{3}{4yz}\)
- A. \(\frac{2-x}{12xyz}\)
- B. \(\frac{2z-3x}{12xyz}\)
- C. \(\frac{4z-3x}{12xyz}\)
- D. \(\frac{8z-9x}{12xyz}\)
Correct Answer: D. \(\frac{8z-9x}{12xyz}\)
Explanation
\(\frac{2}{3xy} - \frac{3}{4yz} = \frac{2(4)-3(3x)}{12xyz} = \frac{8z-9x}{12xyz}\)
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