Problem:
Compute the nullity of
$\left(
\begin{array}{cccc}
 -5 & 5 & -8 & \frac{13}{2} \\
 4 & 3 & 1 & 8 \\
 -5 & -\frac{13}{2} & 1 & \frac{9}{2} \\
\end{array}
\right)$.
Answer:
$1$
{'source': 'AMPS', 'file': 'amps/mathematica/linear_algebra/rank_and_nullity/7389.txt'}