Question

Simplify the following expression 3^2/5 x 3^-7/5. I think it is 1/3. 3^-5/5

Answer 1

1/3

Explanation:

3^2/5 x 3^-7/5

We know that a^b* a^c = a^(b+c)

3^(2/5 -7/5)

3^ (-5/5) = 3^ -1

We know that a^-b = 1/ a^b

3^-1 = 1 / 3