Question

URGENTE! Racionalize as expressões a seguir URGENTE!

Answer 1

Resposta:

Explicação passo-a-passo:

a)

$\frac{1}{\sqrt{10}}=\frac{1.\sqrt{10}}{\sqrt{10}.\sqrt{10}}=\frac{\sqrt{10}}{10}$

b)

$\frac{8}{\sqrt{2}}=\frac{8.\sqrt{2}}{\sqrt{2}.\sqrt{2}}=\frac{8\sqrt{2}}{2}=4\sqrt(2}$

c)

$\frac{15}{\sqrt{3}}=\frac{15.\sqrt{3}}{\sqrt{3}.\sqrt{3}}=\frac{15\sqrt{3}}{3}=5\sqrt{3}$

d)

$\frac{\sqrt{5}}{\sqrt{7}}=\frac{\sqrt{5}.\sqrt{7}}{\sqrt{7}.\sqrt{7}}=\frac{\sqrt{35}}{7}$