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\documentclass{article}
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\begin{document}
\section*{Assignment Title}
Name: \line(1,0){120} %you can change the length of the lines by changing the number in the curly brackets
\\Date: \line(1,0){120}
\subsection*{Instructions} %Enter instruction text here
Answer {\bf all} the questions and return to the teacher by the end of the week. Section A questions shouldn't cause you any trouble. Section B is designed to be more challenging.
\subsection*{Section A}
\begin{enumerate}%starts the numbering
\item Define the term 'minimal polynomial'.
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\item Evaluate the following integral
\begin{equation*}
\int_{2}^{x} \sinh{2y}\, \mathrm{d}y
\end{equation*}
in the case where:
\begin{enumerate}
\item $x = 5$
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\item $x = 9$
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\end{enumerate}
\item Find the determinant of the following 3x3 matrix:
\begin{figure}[h!]%This example matrix has been enclosed in a figure to give us more positioning options
\centering
\begin{math}
\begin{pmatrix}
1 & 6 & 4 \\
3 & 1 & 7 \\
9 & 4 & 5
\end{pmatrix}
\end{math}
\end{figure}
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\end{enumerate}%ends the numbering
\subsection*{Section B}
\begin{enumerate}
\item Determine the following limit:
\begin{equation*}
\lim_{x \to +\infty} \frac{\sin{x}}{x^2}
\end{equation*}
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\item Prove Pythagoras' Theorem.
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\item Describe the Gram-Schmidt Algorithm.
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\end{enumerate}
\end{document}