math
posted by amber .
Simplify the third root of 4 over the fifth root of 8

4^(1/3) = 2^(2/3)
8^(1/5) = 2^(3/5)
so, we have 2^(2/3) / 2^(3/5) = 2^(1/15) = fifteenthroot(2)
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