Question

racionalize os denominadores:
$\frac{2}{ \sqrt{7} }$
​

Answer 1

Resposta:

$\frac{2}{ \sqrt{7} } \\ \frac{2}{ \sqrt{7} } \times \frac{ \sqrt{7} }{ \sqrt{7} } \\ \frac{2 \sqrt{7} }{ \sqrt{7} \sqrt{7} } \\ \frac{2 \sqrt{7} }{7}$

=~0,755929...(resolvendo)