Question

simplifique o radical acima raiz(1/25)

Answer 1

Sabemos que:

$\frac{1}{25}= \frac{ 1^{2} }{ 5^{2} } = (\frac{1}{5})^{2}$$-\ \textgreater \ \sqrt[2]{ (\frac{1}{5})^{2} } = \frac{1}{5}$  -->  Letra A