Question

\(\frac{ \frac{ 1 }{ x }+\frac{ 1 }{ y } }{ \frac{ 1 }{ x ^{2} }-\frac{ 1 }{ y ^{2} } }\)=?

A. \(\frac{ xy }{ y-x }\)

B. \(\frac{ xy }{ x-y }\)

C. \(\frac{ xy }{ x+y }\)

D. \(\frac{ 1 }{ x-y }\)

My answer is none of the above.....