Question

Qual valor de: ³√-27/64

Answer 1

$\sqrt[3]{-\dfrac{27}{64}}~=\\\\\\=\sqrt[3]{-1}\cdot \dfrac{\sqrt[3]{27}}{\sqrt[3]{64}}\\\\\\=\sqrt[3]{(-1)^3}\cdot \dfrac{\sqrt[3]{3^3}}{\sqrt[3]{4^3}}\\\\\\=~-1\cdot \dfrac{3}{4}\\\\\\=~\boxed{\sf -\dfrac{3}{4}}$

$\Huge{\begin{array}{c}\Delta \tt{\!\!\!\!\!\!\,\,o}\!\!\!\!\!\!\!\!\:\,\perp\end{array}}Qualquer~d\acute{u}vida,~deixe~ um~coment\acute{a}rio$