Question

question:- Show that
x^-1 - y^-1 / (xy)^-1 = y-x​

Answer 1

Step-by-step explanation:

in this question, use the identity of x^-1 = 1/x

Answer 2

Answer:

x^-1-y^-1/(xy)^-1

= 1/x-1/y//1/(xy) = (y- x)×xy//xy

= y-x