Question

Find the value of: $\sqrt[3]{31728}$

Answer 1

$\sqrt[3]{31728}=\underset{–}{2\times 2\times 2}\times \underset{–}{2\times 2\times 2}\times \underset{–}{3\times 3\times 3}$

$=2\times 2\times 3$

$\sqrt[3]{31728}=12$