Question

racionalize 2/raiz de 2

Answer 1

                 $\frac{2}{ \sqrt{2} } = \frac{2x \sqrt{2} }{( \sqrt{2})^2 } = \frac{2 \sqrt{2} }{2} = \sqrt{2}$

Answer 2

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

Espero ter ajudado.