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\title{Functions}
\date{}

\begin{document}

\maketitle

Example of a fraction:

\begin{equation*}
\phi = \frac{1 + \sqrt{5}}{2}.
\end{equation*}

Example of an integral:
$$
\int \sb 0 ^1 \sqrt[3]{x^3+2x+1} dx.
$$

\end{document}

