SOLUTION: Fifth root of u^4 all over the ninth root of u^4?

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Question 1007018: Fifth root of u^4 all over the ninth root of u^4?
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
Fifth root of u^4 all over the ninth root of u^4?
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root%285%2Cu%5E4%29%2Froot%289%2Cu%5E4%29
Use the common index, 5*9 = 45
= root%2845%2Cu%5E%284%2A9%29%29%2Froot%2845%2Cu%5E%284%2A5%29%29
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= root%2845%2Cu%5E36%29%2Froot%2845%2Cu%5E20%29
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= root%2845%2Cu%5E16%29