Question

³√7 .³√7 .³√7
me ajuda ​

Answer 1

Resposta:

$\sqrt[3]{7} ~.\sqrt[~3]{7} ~.\sqrt[~3]{7} =\\ \\ (\sqrt[3]{7} )^{1+1+1}=(\sqrt[3]{7} )^3=\boxed{7}$

ou assim:

$7^\dfrac{1}{3}}~.~7^\dfrac{1}{3}}~.~7^\dfrac{1}{3}}=\\ \\ \\ 7^{\dfrac{1}{3}+\dfrac{1}{3}+\dfrac{1}{3}}=7^\dfrac{3}{3}}=7^1=\boxed{7}$