Problem:
Find the determinant of the matrix
$\left(
\begin{array}{cc}
 \frac{9}{2} & -\frac{5}{2} \\
 \frac{7}{2} & \frac{19}{5} \\
\end{array}
\right)$.
Answer:
$\frac{517}{20}$
{'source': 'AMPS', 'file': 'amps/mathematica/linear_algebra/determinant/24657.txt'}