Question 1202a

Vectors I: Basics, Dot and Cross Products
Scalar (Dot) Product

Question

What is
(534)⋅(−5−55)?\begin{pmatrix} 5 \\ 3 \\ 4 \end{pmatrix} \cdot \begin{pmatrix} - 5 \\ - 5 \\ 5 \end{pmatrix}?

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