Question

Racionalize:
A)2/√7
B)2/√2
C)3/4√3
Tenho q entregar amanhã me ajudem

Answer 1

a)
$\frac{2}{\sqrt{7}}$ =>
$\frac{2.\sqrt{7}}{\sqrt{7}.\sqrt{7}}$ =>
$\frac{2\sqrt{7}}{7}$.

b)
$\frac{2}{\sqrt{2}}$ =>
$\frac{2.\sqrt{2}}{\sqrt{2}.\sqrt{2}}$ =>
$\frac{2\sqrt{2}}{2}$ =>
$\sqrt{2}$.

c)
$\frac{3}{4\sqrt{3} }$
$\frac{3.\sqrt{3}}{4\sqrt{3}.\sqrt{3}}$ =>
$\frac{3\sqrt{3}}{4.3}$ =>
$\frac{\sqrt{3}}{4}$.