Question

(x^-1+y^-1)^-1 simplify

Answer 1

(x^-1+y^-1)^-1

(1/x + 1/y ) -¹

(y + x /xy)-¹

xy / y+x

here is your answer.....

Answer 2

since x^-1 = 1/x

and y^-1 = 1/y