Problem:
Find the determinant of the matrix
$\left(
\begin{array}{ccc}
 \frac{22}{5} & -\frac{2}{5} & \frac{22}{5} \\
 -\frac{22}{5} & -2 & -\frac{6}{5} \\
 -\frac{5}{2} & -\frac{1}{2} & \frac{19}{10} \\
\end{array}
\right)$.
Answer:
$-\frac{4528}{125}$
{'source': 'AMPS', 'file': 'amps/mathematica/linear_algebra/determinant/2857.txt'}