How do you simplify (x^(2/9))^(3/8)?

1 Answer
Oct 23, 2016

x^(1/12)" "or" "root12(x)

Explanation:

Recall: one of the laws of indices:

(x^m)^n = x^(mxxn)

Raising a power to a power, multiply the indices.

(x^(2/9))^(3/8) = x^((2xx3)/(9xx8))" "larr (cancel2xxcancel3)/(cancel9^3xxcancel8^4) = 1/12

=x^(1/12)

This can also be written as root12(x)