Question

[a+1/a-1]² expand the following step wise with proper formula please!! the one who answers it correctly with proper formula I'll mark him/her as branliest​

Answer 1

Answer:

(a+1/a-1)²=(a+1)²/(a-1)²

=a²+(1)²+2a/a²+1

(1)²-2a

=a²+1+2a/a²+1-2a