Question

Calcule a area do retângulo.

∛9 cm                                ∛3cm

Answer 1

$\boxed{A= \sqrt[3]{9}. \sqrt[3]{3}= \sqrt[3]{3^2}. \sqrt[3]{3}=3^{\frac{2}{3}} .3^{\frac{1}{3}}=3^{1}=3 \ cm^2 }$