Question

((a^2)/(a^2-b^2)-(a^2b)/(a^2+b^2)*((a)/(ab+b^2)+b/(a^2+ab))/(b^2)/(a^2-b^2)

Answer 1

((a+b)*(a+2b)= a+b^a-3-1b= ab^(ab× 2)= b/1 a-b=2a/b