Question

if x^(a/b)=1,what is the value of a ?

Answer 1

Any number raised to 0 becomes 1.
If numerator is 0, fraction becomes 0.
So a=0

Answer 2

We know x^0=1
On comparing

x^a/b=0...we get

a/b=0
So a=b*0=0
Hope it helps