Question 856503
If its square root, why aren't you breaking exponents down to multiples of 2??
{{{sqrt(63x^4y^7)=sqrt(7*9*x^4*y*6*y)}}}
{{{sqrt(63x^4y^7)=sqrt(3^2*x^4*y^6)*sqrt(7*y)}}}
{{{sqrt(63x^4y^7)=3*x^2*y^3*sqrt(7*y)}}}