Question

Racionalize, 4/ raiz sétima de 9

Answer 1

$\frac{4}{ \sqrt[7]{9} } = \frac{4 \sqrt[7]{9^{6}} }{ \sqrt[7]{9} \sqrt[7]{9^{6}}} = \frac{4 \sqrt[7]{9^{6}} }{ \sqrt[7]{9^{7}} } = \frac{4 \sqrt[7]{9}^{6} }{9}$

Espero ter ajudado.