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OpenStudy (anonymous):
Vectors: p1(0,1,3), p2(2,4,-5) find a=p1p2(arrow above). I got -0.489i(hat) -0.978j(hat) +1.22k(hat). But the answers say 2i(hat) +3j(hat) -8k(hat). what am i doing wrong?
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OpenStudy (anonymous):
the vector between those two points?
OpenStudy (anonymous):
is that what you're looking for?
OpenStudy (anonymous):
yes from p1 to p2
OpenStudy (anonymous):
yes the x component (i) changes by +2 (from 0->2) the y component (j) changes by +3 (from 1->4) and so on...
OpenStudy (anonymous):
typo reposted
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OpenStudy (anonymous):
2d example:
OpenStudy (anonymous):
|dw:1347083746838:dw|
OpenStudy (anonymous):
|dw:1347083783153:dw|
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