Question

racionaliza o denominar de 5/√2

Answer 1

5raiz de 2 /raiz de 4 = 5 tais de 2/2

Answer 2

Resposta: 5√2/2

$\frac{5}{ \sqrt{2} } \\ \\ \frac{5}{ \sqrt{2} } \times \frac{ \sqrt{2} }{ \sqrt{2} } = \frac{5 \sqrt{2} }{ {( \sqrt{2)} }^{2} } = \frac{5 \sqrt{2} }{2}$