Question

Cuanto es:

2 dividido la raíz cuadrada de 5 menos la raiz cuadrada de 2?
Ayudenme porfaa

Answer 1

$\frac{2}{\sqrt{5}-\sqrt{2}}=\frac{2(\sqrt{5}+\sqrt{2})}{(\sqrt{5}+\sqrt{2})(\sqrt{5}-\sqrt{2})}=\frac{2(\sqrt{5}+\sqrt{2})}{\sqrt{5}^2-\sqrt{2}^2}=\frac{2(\sqrt{5}+\sqrt{2})}{3}$