Problem:
Multiply
$\left(
\begin{array}{cccc}
 -1 & 2 & \frac{3}{2} & -2 \\
 -2 & \frac{3}{2} & 1 & -\frac{5}{2} \\
\end{array}
\right)$ and
$\left(
\begin{array}{cc}
 1 & \frac{3}{2} \\
 2 & -\frac{1}{2} \\
 \frac{5}{2} & -3 \\
 \frac{5}{2} & -3 \\
\end{array}
\right)$.
Answer:
$\left(
\begin{array}{cc}
 \frac{7}{4} & -1 \\
 -\frac{11}{4} & \frac{3}{4} \\
\end{array}
\right)$
{'source': 'AMPS', 'file': 'amps/mathematica/linear_algebra/multiply/10380.txt'}