Math Help - fraction in power form

1. fraction in power form

x^-1/3
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x^2/3 = 1 can some one show me the method please, when dealing with fractions in power format
i thought if toy divide too power formats you minus one from the other.

2. Originally Posted by matlondon
x^-1/3
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x^2/3
note that $\frac{x^a}{x^b} = x^{a-b}$