## College Algebra 7th Edition

$\displaystyle\frac{\sqrt{11}}{11}$
We multiply the numerator and denominator by $\sqrt{11}$ to simplify: $\displaystyle \frac{1}{\sqrt{11}}=\frac{1}{\sqrt{11}}*\frac{\sqrt{11}}{\sqrt{11}}=\frac{\sqrt{11}}{11}$