# Stretching integral [duplicate]

Possible Duplicate:
How can I have a bigger integral (\int) delimiter?

Is there some way to "stretch" the integral symbol to cover a big math expression? I'm talking about a problem like this:

## marked as duplicate by Loop Space, Matthew Leingang, Hendrik Vogt, Willie Wong, Martin Scharrer♦Mar 3 '11 at 10:58

You can do that with the package bigints

For example,

\documentclass{book}
\usepackage{bigints}
\begin{document}

\begin{align}
\bigints_{-Y}^{Y}\left(\frac{X}{\frac{X}{\frac{X}{X}}}\right)\mathrm{d}X
\end{align}

\end{document}