Question 1202a

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

Question

What is
(2−5−5)⋅(−15−3)?\begin{pmatrix} 2 \\ - 5 \\ - 5 \end{pmatrix} \cdot \begin{pmatrix} - 1 \\ 5 \\ - 3 \end{pmatrix}?

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