Answer
$x$
Work Step by Step
Recall:
(1) $\left(a^m\right)^n=a^{mn}$
(2) $(ab)^m=a^mb^m$
Use rule (1) above to obtain:
\begin{align*}
&=x^{\frac{1}{4} \cdot 4}\\
&=x^{\frac{4}{4}}\\
&=x^1\\
&=x
\end{align*}
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