Question

simplify: (x^-1 + y^-1)/(x^-1*y^-1)

Answer 1

(1/x + 1/y) /(1/x)(1/y) =(y+x)/(xy) * ( xy) =y+x=x+y

Answer 2

\[\frac {(x^-1 + y^-1)}{(x^-1*y^-1)} = 1 \]

Answer 3

@Rohangrr

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