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If u is a vector of… - QuestionCove
OpenStudy (anonymous):

If u is a vector of length 3, v is a unite vector, and uv=-2, find (u+4v)(v-u)

4 years ago
OpenStudy (anonymous):

uv-uu+4vv-4uv = -uu+ 4vv - 3uv = -9+4-(3*-2) = 1

4 years ago
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