Answer
$\sqrt7$
Work Step by Step
$\frac{7}{\sqrt{7}}$
Rationalize the denominator,
$\frac{7}{\sqrt{7}}\times\frac{\sqrt{7}}{\sqrt{7}}$
Simplify.
$\frac{7\sqrt{7}}{7}$
Reduce. Divide the numerator and denominator by greatest common factor of 7.
$\sqrt7$