Question
True or False If $\mathbf{v}$ is a nonzero vector, then $\mathbf{v} \cdot \mathbf{v}=\|\mathbf{v}\| .$
Step 1
If $\mathbf{v} = (a, b)$ and $\mathbf{w} = (c, d)$, then the dot product of $\mathbf{v}$ and $\mathbf{w}$ is given by: \[\mathbf{v} \cdot \mathbf{w} = ac + bd.\] Show more…
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