SOLUTION: determine whether (121)^1/3 is rational or irrational. That is the 3rd root of 121.?

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Question 54401: determine whether (121)^1/3 is rational or irrational. That is the 3rd root of 121.?
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
determine whether (121)^1/3 is rational or irrational.
If 121 is not a perfect cube, 121^(1/3) is irrational.
121 is not a perfect cube, therefore the cube root is
irrational.
Cheers,
stan H.