SOLUTION: Simplify, assuming that all variables are positive numbers: sqrt(8a^9/b^3 ), Thank you so much in advance!

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Question 394679: Simplify, assuming that all variables are positive numbers: sqrt(8a^9/b^3 ), Thank you so much in advance!
Answer by jrfrunner(365) About Me  (Show Source):
You can put this solution on YOUR website!
sqrt%288a%5E9%2Fb%5E3%29
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break the inside of the square root expression into perfect squares
sqrt%282%2A2%5E2a%5E8a%2F%28b%5E2b%29%29
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factor out the perfect squares
%282a%5E4%2Fb%29%2Asqrt%282a%2Fb%29