Question

Find the value of (1/3)power-1+(1/5)power-1-(1/6)power-1

Answer 1

$( \frac{1}{3} ) {}^{ - 1} + ( \frac{1}{5} ) {}^{ - 1} - ( \frac{1}{6} ) {}^{ - 1} \\ \\ = 3 + 5 - 6 \\ \\ = 8 - 6 \\ \\ = 2$
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