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Find the Dot Product V · W v=2i+j+3k\mathbf { v } = 2 \mathbf { i } + \mathbf { j } + 3 \mathbf { k }

Question 18

Multiple Choice

Find the dot product v · w.
- v=2i+j+3k\mathbf { v } = 2 \mathbf { i } + \mathbf { j } + 3 \mathbf { k } and w=i+2j−2k\mathbf { w } = \mathrm { i } + 2 \mathbf { j } - 2 \mathbf { k }


A) −2- 2
B) −7- 7
C) 2
D) −6- 6

Correct Answer:

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