Question

simpifique racionalizando os denominadores a) 15 raiz de 2 sobre raiz de 10

Answer 1

$\frac{15\sqrt{2}}{\sqrt{10}}=\frac{15\sqrt{2}}{\sqrt{10}}.\frac{\sqrt{10}}{\sqrt{10}}$

$\frac{15\sqrt{20}}{10}=\frac{15.2\sqrt{5}}{10}$

$\frac{30\sqrt{5}}{10}=3\sqrt{5}$

Answer 2

15 √2 / 10 x √10 / √10

15 √20 / 10 =

Fatorar a raiz de 20

15 . 2 √5 / 10

30 √5 / 10 =

3 √5