Answer:
[tex]\sqrt[n]{x^a}=x^{a/n}[/tex]
Step-by-step explanation:
While the "law"
[tex]\sqrt[n]{x^n}=x[/tex]
may seem more applicable, and may seem to be a special case of the law shown in the answer above, it is not true in general. For example, ...
[tex]\sqrt{x^2}=|x|\ne x \quad\text{for x ${data-answer}lt;$ 0}[/tex]
