Question

Radiciação
Qual a raiiz quadrada
De
9
---
7

Answer 1

raiz quadrade de 9 é 3

Answer 2

$\sqrt{\dfrac{9}{7}} = \dfrac{\sqrt{9}}{\sqrt{7}} = \dfrac{3}{\sqrt{7}} \\ \\ \\ \dfrac{3}{\sqrt{7}}\cdot\dfrac{\sqrt{7}}{\sqrt{7}} \boxed{= \dfrac{3\sqrt{7}}{7}}$