Question

$\frac{4{} }{ \sqrt{2} }$
raciondize as denominadores​

Answer 1

Resposta:

${4\over\sqrt{2} }={4\sqrt{2} \over\sqrt{2} .\sqrt{2} }={4\sqrt{2} \over\sqrt{4} }={4\sqrt{2} \over2}=2\sqrt{2}$