Question 1021250
if you mean
:
square root(64 * x^14 * y^20) where * means multiply, then
:
square root(64 * x^14 * y^20) = + or - (8 * x^7 * y^10)
:
when like bases are multiplied, you add the exponents, i.e.
:
x^14 = x^7 * x^7