Answer
$2$.
Work Step by Step
The given expression is
$=(\sqrt{x})^2$
Substitute $x=2$.
$=(\sqrt{2})^2$
Rewrite in power form.
$=(2^{\frac{1}{2}})^2$
Use the exponents law $(a^m)^n=a^{m\cdot n}$.
$=2^{\frac{1}{2}\cdot 2}$
Simplify.
$=2^{1}$
$=2$.
