\documentstyle{article} \pagestyle{empty} \topmargin=-0.5in \textheight=9in \begin{document} \begin{center} {\large\bf Sample Equations} \end{center} \vspace{.2in} \begin{equation} x' + y^{2} = z_{i}^{2} \end{equation} \vspace{.1in} \begin{equation} -2 \, \ln |x-2| + 3 \, \ln |x-3| + C \end{equation} \vspace{.1in} \begin{equation} y = k \, e^{x^2/2} - 1\;\; \end{equation} \vspace{.1in} \begin{equation} \frac{dr}{dt} = \frac{1}{\pi} \end{equation} \begin{equation} [-1/\sqrt{3},0] \cup [1/\sqrt{3},+\infty[ \end{equation} \vspace{.1in} \begin{equation} \frac{\cos x}{2 \sqrt{\sin x}} \end{equation} \vspace{.1in} \begin{equation} A = \int_0^1 \frac{\ln(x+1) \, \sqrt{x^2 + 2x + 2}}{x + 1} \, dx \end{equation} \vspace{.1in} \begin{equation} \frac{1}{2} \int_0^{\pi/3} \sin^2 3\theta \; d\theta = \frac{\pi}{12} \end{equation} \end{document} \vspace{.1in}
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