Question

Quanto vale ∛3 +∛9 sobre ∛3 ?

Answer 1

3+9/3= 12/3 = 4! A resposta é 4...

Answer 2

$\frac{\sqrt[3]{3}+\sqrt[3]{9}}{\sqrt[3]{3}}=\\\\=\frac{\sqrt[3]{3}}{\sqrt[3]{3}}+\frac{\sqrt[3]{9}}{\sqrt[3]{3}}=\\\\=\sqrt[3]{\frac{3}{3}}+\sqrt[3]{\frac{9}{3}}=\\\\=\sqrt[3]{1}+\sqrt[3]{3}=\\\\=1+\sqrt[3]{3}$