```
\begin{equation*}
\left( \sum_{i=0}^{n}{i} \right)
\end{equation*}
```

$$\left( \sum_{i=0}^{n}{i} \right)$$

`\left(`

and`\right)`

automatically expand to fit the material between them

```
\begin{equation*}
\left( \sum_{i=0}^{n}{i} \right)
\end{equation*}
```

$$\left( \sum_{i=0}^{n}{i} \right)$$

`\left(`

and`\right)`

automatically expand to fit the material between them