Question

howcome the ans is like this the fomular [n]is outside it must be
$\sqrt[2]{ {x}^{1} }$
Look at the picture​

Answer 1

Step-by-step explanation:

Your expression is technically correct. However, the root notation is by default referring to the square root of the number, and we often neglect it for convenience.

Also for the sake of convenience, we also write x mean we mean x^1.