Question
Simplify:
$\left(a^{-1} \times b^{-1}\right) \div\left(a^{-1}+b^{-1}\right)$
$\left(a^{-1} \times b^{-1}\right) \div\left(a^{-1}+b^{-1}\right)$
✓
Answer
$\frac{1}{(a+b)}$
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