| Symbol/Unicode | nth root/U+221B |
|---|---|
| Type of symbol | Mathematics |
| Package (requirement) | No |
| Argument | yes, n, x |
| Latex command | \sqrt[n]{x} |
| Example | \sqrt[n]{x} →  |
For the nth root symbol, you need to pass n in the optional argument with the sqrt[n]{x} command.
\documentclass{article}
\begin{document}
$$ \sqrt[n]{x} $$
$$ \sqrt[3]{\left(\frac{dx}{hx}\right)^2+\left(\frac{dy}{hy}\right)^2+\left(\frac{dz}{hz}\right)^2} $$
$$ a=\sqrt[m]{\sum\limits^{i=1}_n b_i^m} $$
\end{document}Output :
