Question

How do you simplify `sqrt( x^5)/sqrt( x^3)`?

Answer 1

`x`, with `x>=0`

Explanation:

`sqrt(x^5)/sqrt(x^3)=sqrt(x^5/x^3)=sqrt(x^2), x>0`
`=x, x>=0`

The restriction on the domain is necessary , since the original function does not make sence in `RR` for negative numbers.