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tmua.me Medium Set D Paper 2 · Q1

Paper 2Algebra

The positive real numbers aa and bb satisfy a:b=3:2a:b=3:2.

What is the value of

1a−1b1a+1b ?\frac{\dfrac1a-\dfrac1b}{\dfrac1a+\dfrac1b}\,?
A−5-5
B−15-\dfrac15
C00
D15\dfrac15
E55

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