Question

prove that (x-¹+y-¹)= xy/x+y
​

Answer 1

$( {x}^{ - 1} + {y}^{ - 1} ) = \frac{xy}{x + y} \\ \\ \frac{1}{x} + \frac{1}{y} = \frac{xy}{x + y} \\ \\ \frac{y + x}{xy} = \frac{xy}{x + y} \\ \\ \frac{xy}{x + y} = \frac{xy}{x + y}$

Answer 2

PLEASE MARK THIS ANS AS BRAINLIEST :)