Question

2raiz de 18 dividido por raiz de 8.

Answer 1

2raiz de 18= 8.4852813742
8.4852813742 ÷ pra raiz de 8= 3

Answer 2

Raiz de 18
18 | 3
6   | 3
2   | 2
1    $\sqrt{3 \times 3 \times 2} = \sqrt{3^2 \times 2} = 3\sqrt{2}$
Raiz de 8
8 | 2
4 | 2
2 | 2
1  $\sqrt{2 \times 2 \times 2} = \sqrt{2^2 \times 2} = 2 \sqrt{2}$


$\frac{ 2\sqrt{18} }{ \sqrt{8}} = \frac{2 \times 3 \sqrt{2} }{2 \sqrt{2} } = \frac{6}{2} = 3$