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Vectors problem

Alexis87

Member
Jan 20, 2018
51
Not sure how I should do this question. I have attached my workings with some questions in it. appreciate the help.

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tkhunny

Well-known member
MHB Math Helper
Jan 27, 2012
267
Isn't $\underline{k} = \langle 0,0,1 \rangle$, by definition?