Question

(a+b)^-1/(a^-1-b^-1)

Answer 1

Answer:

(a-b)^-1 or 1/(a-b)

Step-by-step explanation:

1^(-1) is 1

so,

(a+b)^-1 is (a+b)

{ a^(-1) - b^(-1) } is the form of (a^2-b^2)