When simplified, (x^ -1 +y^ -1 )^ -1 is equal to: - Vidyadip

MCQ

When simplified, $\left(x^{-1}+y^{-1}\right)^{-1}$ is equal to:

A
$x+y$
✓
$\frac{x y}{x+y}$
C
$x y$
D
$\frac{1}{x y}$

✓

Answer

Correct option: B.

$\frac{x y}{x+y}$

B

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