Question

Is there any one who did it​

Answer 1

`\sqrt[3]{ \frac{ {b}^(4) }{27b} } = \sqrt[3]{ \frac{b( {b}^(3)) }{27b} } \\ \\ \\ \sqrt[3]{ \frac{ {b}^(3) }{27} } = \frac{ \sqrt[3]{ {b}^(3) } }{ \sqrt[3]{27} } \\ \\ \\ = (b)/(3)`

I hope I helped you^_^