Question

pls and. fast , ll be marked as brain list.......

Answer 1

1/1+x^(a-b)+1/1+x^(b-a)=1/1+xa-b+1/1+(1/xa-b)=1/1+xa-b+xa-b/1+xa-b=(1+xa-b)/(1+xa-b)=1.

Answer 2

take x^a-b as t then x^b-a will be 1/t now u can easily solve it