Answer
$\sqrt (3f^{3})$
Work Step by Step
$\frac{\sqrt 3}{\sqrt f^{-3}}$
The property is $x^{-a} = \frac{1}{x^{a}}$
$\sqrt 3 \sqrt f^{3}$
We get the two variable under one square root
$\sqrt (3f^{3})$
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