Question 547765
what is the 5th root of 
-64x^14y^20
----
= -2^6*x^14*y^20
-------
5th root = (-2)*(x^2)*(y^4)*5th root of (2*x^4)
---
= -2x^2y^4*(2x^4)^(1/5)
===========================
Cheers,
Stan H.
=================