Problem:
Find the distance between the following two vectors:
$\left(
\begin{array}{c}
 4 \\
 7 \\
 -2 \\
\end{array}
\right)$ and
$\left(
\begin{array}{c}
 -8 \\
 9 \\
 -9 \\
\end{array}
\right)$.
Answer:
$\sqrt{197}$
{'source': 'AMPS', 'file': 'amps/mathematica/linear_algebra/distance/1253.txt'}