Problem:
Find the eigenvalues of the following matrix:
$\left(
\begin{array}{cc}
 10 & -9 \\
 2 & 2 \\
\end{array}
\right)$.
Answer:
$\left\{6-i \sqrt{2},6+i \sqrt{2}\right\}$
{'source': 'AMPS', 'file': 'amps/mathematica/linear_algebra/eigenvalues/10055.txt'}