Problem:
Find the dot product of the following two vectors:
$\left(
\begin{array}{c}
 -3 \\
 5 \\
 8 \\
 9 \\
 -5 \\
\end{array}
\right)$ and
$\left(
\begin{array}{c}
 -4 \\
 -2 \\
 7 \\
 -3 \\
 -5 \\
\end{array}
\right)$.
Answer:
$56$
{'source': 'AMPS', 'file': 'amps/mathematica/linear_algebra/dot_product/31746.txt'}