Question

Aplicando as propriedades dos radicais, determine o valor das expressões a seguir.

$\sqrt[3]{ \frac{7 {}^{3} }{2 {}^{6} } }$
$\sqrt{50}$

Answer 1

$\sqrt[3]{ \frac{7 {}^{3} }{2 {}^{6} } } =$
$\sqrt[3]{ \frac{7 {}^{3} }{2 {}^{3} \times 2 {}^{3} } } =$
$\frac{7}{2}$
.
.
.
$\sqrt{50} =$
$\sqrt{5 {}^{2} \times 2} =$
$5\sqrt{2}$