Problem:
Compute the rank of
$\left(
\begin{array}{cccc}
 \frac{35}{9} & \frac{85}{9} & \frac{49}{9} & \frac{56}{9} \\
 -\frac{19}{3} & \frac{2}{9} & 3 & -\frac{58}{9} \\
\end{array}
\right)$.
Answer:
$2$
{'source': 'AMPS', 'file': 'amps/mathematica/linear_algebra/rank_and_nullity/14562.txt'}