# How do you rationalize 4/(6-sqrt7)?

May 12, 2015

Multiply both numerator and denominator by $\left(6 + s q r 7\right)$

$\frac{4 \left(6 + s q r 7\right)}{36 - 7}$ = $\frac{4 \left(6 + s q r 7\right)}{29}$