Question

Hay que racionalizar, el c) y d) ya los he hecho

Answer 1

$\frac{4}{ \sqrt{3}+ \sqrt{2}}= \frac{4(\sqrt{3}- \sqrt{2})}{(\sqrt{3}+ \sqrt{2})(\sqrt{3}- \sqrt{2})}= \frac{4(\sqrt{3}- \sqrt{2})}{3-2}= \frac{4(\sqrt{3}- \sqrt{2})}{1}$ .. Es la E.