Simplify: a+b+c (a^ -1 b^ -1 +b^ -1 c^ -1 +c^ -1 a^ -1 ) - Vidyadip

Question

Simplify:
$\frac{a+b+c}{\left(a^{-1} b^{-1}+b^{-1} c^{-1}+c^{-1} a^{-1}\right)}$

✓

Answer

abc

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