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\title{Math 2001 Assignment 17}
\date{\today}
\author{}
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\begin{problem}
Scheinerman, \S20, \#1abc
\end{problem}

\begin{problem}
Scheinerman, \S20, \#9
\end{problem}

\begin{problem}
Scheinerman, \S20, \#11
\end{problem}

\begin{problem}
Scheinerman, \S20, \#16
\end{problem}

\end{document}
