Question 1202a

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

Question

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

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