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\begin{document}

\noindent
\vfil \noindent
\large
\hfil Math 126 C - Spring 2010\hfil \pp
\hfil Mid-Term Exam Number Two\hfil  \pp
\hfil May 13, 2010 \hfil \pp
\hfil Answers \hfil \pp
\normalsize

\begin{enumerate}

\item (a) $\sqrt{5}$ cm/sec.  (b) $t=\frac{\pi}{4}$.

\item $\dsps \kappa = \frac{2 \sqrt{2}}{73^{3/2}}$

\item (a) $\left(\frac{1}{5}, \frac{1}{2}, \frac{77}{10}\right)$.

(b) There are four critical points (1,1) (local min), (1,-1) (saddle point), (-1,1) (saddle point), (-1,-1) (local max).

\item $\dsps V= \int_{0}^6 \int_{3-\frac{1}{2}y}^{6-y} xy \, dx \, dy.$

\end{enumerate}

\end{document}