Math CentralQuandaries & Queries


Question from Annie, a student:

How do I transform the equation 3 divided by 3 to it's fifth root to simple radical form (getting the radical out of the denominator)?

Hi Annie,

The numerator is 3 = 3^1and the denominator is 3^(1/5).

Now you need to use one of the laws of exponents. They are

ab times ac = ab + c
ab divided by ac = ab - c as long as a ≠ 0, and
(ab)c = abtimesc


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