Question

[{x^a(a-b)/x^a(a+b)}÷{x^b(b-a)/x^b(b+a)}]^a+b=1​

Answer 1

Answer:

[ x^(a²-ab-a²-ab) / x^(b²-ab-b²-ab) ]^(a+b)

=[ x^-2ab / x^-2ab ]^(a+b)

=( x^(-2ab+2ab) )^(a+b)

=(x^0)^(a+b)

=1^(a+b)

=1