Problem:
Compute
$\left(
\begin{array}{ccc}
 0 & -2 & 2 \\
 0 & 2 & 2 \\
 2 & 0 & -1 \\
\end{array}
\right)^2$.
Answer:
$\left(
\begin{array}{ccc}
 4 & -4 & -6 \\
 4 & 4 & 2 \\
 -2 & -4 & 5 \\
\end{array}
\right)$
{'source': 'AMPS', 'file': 'amps/mathematica/linear_algebra/powers_and_exp/13480.txt'}