Simplify frac 2 1 - x - frac 1 x - WAEC Mathematics 2016 Question
Simplify; \(\frac{2}{1 - x} - \frac{1}{x}\)
A
\(\frac{x + 1}{x(1 - x)}\)
B
\(\frac{3x - 1}{ x(1 - x)}\)
C
\(\frac{3x + 1}{ x(1 - x)}\)
D
\(\frac{x + 1}{ x(1 - x)}\)
correct option: b
\(\frac{2}{1 - x} - \frac{1}{x}\) = \(\frac{2x - 1(1 - x)}{x(1 - x)}\)
= \(\frac{2x - 1(1 + x)}{x(1 - x)}\)
= \(\frac{3x - 1}{x(1 - x)}\)
= \(\frac{2x - 1(1 + x)}{x(1 - x)}\)
= \(\frac{3x - 1}{x(1 - x)}\)
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