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Question 1202a
Vectors I: Basics, Dot and Cross Products
Scalar (Dot) Product
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What is
(
2
0
−
5
)
⋅
(
1
−
4
2
)
?
\begin{pmatrix} 2 \\ 0 \\ - 5 \end{pmatrix} \cdot \begin{pmatrix} 1 \\ - 4 \\ 2 \end{pmatrix}?
2
0
−
5
⋅
1
−
4
2
?
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