Question

raiz de 3 menos raiz de 2 sobre raiz de 3 mais raiz de 2

Answer 1

Temos que:
 
$\dfrac{\sqrt{3}-\sqrt{2}}{\sqrt{3}+\sqrt{2}}=\dfrac{\sqrt{3}-\sqrt{2}}{\sqrt{3}+\sqrt{2}}.\dfrac{\sqrt{3}-\sqrt{2}}{\sqrt{3}-\sqrt{2}}=\dfrac{(\sqrt{3}-\sqrt{2})^{2}}{3-1}=5-2\sqrt{6}$