SOLUTION: Simplify the following: Cuberoot of (64/x^21) I have taken the cube root of both the top and bottom and get to 4/cubert of x^21. How to simplify from here? Thanks

Algebra ->  Radicals -> SOLUTION: Simplify the following: Cuberoot of (64/x^21) I have taken the cube root of both the top and bottom and get to 4/cubert of x^21. How to simplify from here? Thanks      Log On


   

Question 449844: Simplify the following: Cuberoot of (64/x^21)
I have taken the cube root of both the top and bottom and get to 4/cubert of x^21. How to simplify from here? Thanks
Answer by ankor@dixie-net.com(22740) About Me  (Show Source):
You can put this solution on YOUR website!
have taken the cube root of both the top and bottom and get to 4/cubert of x^21. How to simplify from here?
:
After you get this 4%2A3sqrt%281%2Fx%5E21%29
Factor the denominator to
4%2A3sqrt%281%2F%28x%5E7%2Ax%5E7%2Ax%5E7%29%29
extract the cube root of that leaves you with
4%2Fx%5E7