Question

Raiz de 9 sobre 2 menos raiz de 2 sobre 9

Answer 1

$\sqrt{ \frac{9}{2} } = \frac{3}{\sqrt{2}}\\ \sqrt{ \frac{2}{9} } = \frac{\sqrt{2}}{3}\\\\ \sqrt{ \frac{9}{2} }- \sqrt{ \frac{2}{9} }\\\\ \frac{3}{\sqrt{2}}-\frac{\sqrt{2}}{3}\\\\ \frac{3*3-\sqrt{2}*\sqrt{2}}{3\sqrt{2}} \\\\ \frac{9-2}{3\sqrt{2}} \\\\ \frac{7\sqrt{2}}{3*2}\\\\ \frac{7\sqrt{2}}{6}$

Resposta: 7√2/6