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If u=<2,2> then find u•u and determine whether it is a vector or a scalar
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2 votes
If u=<2,2> then find u•u and determine whether it is a vector or a scalar

User Sayeed
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2 Answers

4 votes

Answer:

what he said.

Explanation:

User Wandering Logic
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6.2k points
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If ~v = hv1, v2, v3i and ~w = hw1, w2, w3i are vectors and c is a scalar, then (a) c~v = hcv1, cv2, cv3i (b) ~v + ~w = hv1 + w1, v2 + w2, v3 + w3i (c) ~v − ~w = hv1 − w1, v2 − w2, v3 − w3i.
User JerodG
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5.6k points
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