SOLUTION: Simplify by taking the roots of the numerator and the denominator. Assume that all expressions under radicals represent positive numbers: cube root of 512x^8 / cube root of y^3

Algebra ->  Rational-functions -> SOLUTION: Simplify by taking the roots of the numerator and the denominator. Assume that all expressions under radicals represent positive numbers: cube root of 512x^8 / cube root of y^3      Log On


   



Question 197365: Simplify by taking the roots of the numerator and the denominator. Assume that all expressions under radicals represent positive numbers:
cube root of 512x^8 / cube root of y^3
I got 8x%5E2%2Fy as an answer. Is this right?

Found 2 solutions by user_dude2008, Alan3354:
Answer by user_dude2008(1862) About Me  (Show Source):
You can put this solution on YOUR website!
You are missing the term....

Ans:

Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
cube root of 512x^8 / cube root of y^3
I got 8x%5E2%2Fy as an answer. Is this right?
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Almost.
Multiply that by the cube root of x^2 and it's right.
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%288x%5E2%2Fy%29%5E3+=+512x%5E6%2Fy%5E3 not x^8