Question

Racionalize o denominador e simplifique:
2/√10​

Answer 1

Explicação passo-a-passo:

$\sf \dfrac{2}{\sqrt{10}}$

$\sf =\dfrac{2}{\sqrt{10}}\cdot\dfrac{\sqrt{10}}{\sqrt{10}}$

$\sf =\dfrac{2\sqrt{10}}{10}$

$\sf =\red{\dfrac{\sqrt{10}}{5}}$