Question

find cube root of 1/216

Answer 1

$$\begin{gathered} \sqrt[3]{\frac{1}{216}} \\ =\sqrt[3]{\frac{1\times 1\times 1}{2\times 2\times 2\times 3\times 3\times 3}} \\ =\frac{1}{2\times 3} \\ =\frac{1}{6} \end{gathered}$$