-1 \\
-3 \\
4
\end{array}\right) \cdot\left(\begin{array}{c}
-7 \\
-11 \\
7
\end{array}\right) \text { and }\left(\begin{array}{l}
5 \\
1
\end{array}\right) \text { are } Question 1
The vectors
Fig: 1
Fig: 2
Fig: 3
Fig: 4