Question

Racionalize o denominador das fracões:
$\frac{3}\\_\sqrt{2}$

Answer 1

$\frac{3}{\sqrt{2}}=\frac{3}{\sqrt{2}}\cdot\frac{\sqrt{2}}{\sqrt{2}}=\frac{3\sqrt{2}}{\sqrt{4}}=\frac{3\sqrt{2}}{2}$