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Mathematics 7 Online
OpenStudy (dessyj1):

Linear algebra. Question in the comments

OpenStudy (dessyj1):

OpenStudy (dessyj1):

Can someone explain how I can approach this question?

OpenStudy (dessyj1):

I've successfully completed this question before but I can't seem to do it again.

OpenStudy (across):

Just to check, did you get \(\frac12(\mathbf u−\mathbf v)\)?

OpenStudy (dessyj1):

No, the answer was W=[-3/2,4,3](transposed)

OpenStudy (across):

The trick is to plot the vectors and follow the instructions.

OpenStudy (across):

Well, since they're in \(\mathbb R^3\), that might be a little tough.

OpenStudy (dessyj1):

I would find the vector eq for the tip, the vector eq for the head and subtract the head and tip

OpenStudy (dessyj1):

I meant to say tail, not tip.

OpenStudy (dessyj1):

Would the tail be located at -u/2?

OpenStudy (dessyj1):

I see what I have done.

OpenStudy (across):

|dw:1461189443037:dw|

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