Question

Racionalize;
$a) \frac{1} \sqrt{2}$

Answer 1

Resolução da questão, veja:

$\mathsf{\dfrac{1}{\sqrt{2}}}\\\\\\\\\\ \mathsf{\dfrac{1~\cdot~{\sqrt{2}}}{{\sqrt{2}}}~\cdot~{{\sqrt{2}}}}}}}}\\\\\\\\\\ \mathsf{\dfrac{\sqrt{2}}{\sqrt{4}}}}\\\\\\\\\ \large\boxed{\boxed{\boxed{\boxed{\boxed{\mathsf{\dfrac{\sqrt{2}}{2}}}}}}}}}}}}}}}$

Espero que te ajude '-'