Question

How to write this expression in radical form (7x)^4/3

Answer 1

To answer this question we need to remember that:

$a^{\frac{m}{n}}=\sqrt[n]{a^m}$

Then in this case we have:

$(7x)^{\frac{4}{3}}=\sqrt[3]{(7x)^4}$

therefore, the expression in radical form is:

$\sqrt[3]{(7x)^4}$