Question

2raiz de 5/ 5 raiz de 2​

Answer 1

Resposta:

Explicação passo-a-passo:

$\displaystyle \frac{2\sqrt{5} }{5\sqrt{2} } =\frac{2\sqrt{5} }{5\sqrt{2} } .\frac{\sqrt{2}}{\sqrt{2}} =\frac{2\sqrt{5}\sqrt{2}}{5\sqrt{2}\sqrt{2}} =\frac{\diagup\!\!\!\!2\sqrt{10} }{5.\diagup\!\!\!\!2}=\frac{\sqrt{10}}{5}$