Answer
$\frac{\sqrt 3n}{n}$
Work Step by Step
Rationalize the denominator by multiplying the numerator and denominator by $\sqrt 2n$
$\frac{\sqrt 6}{\sqrt 2n}\times\frac{\sqrt 2n}{\sqrt 2n}$
Simplify
$\frac{\sqrt 12n}{2n}$
$\frac{\sqrt 4\times\sqrt 3n}{2n}$
$\frac{2\sqrt 3n}{2n}$
$\frac{\sqrt 3n}{n}$