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OpenStudy (anonymous):
Vector Question: Pleeeeeease Help! If P is (-3, 2) and Q is (1, -1), find: a. Vector PQ b. magnitude or length of Vector PQ I know the answers but please tell me how to get there.
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hartnn (hartnn):
\(PQ =Q(x,y)-P(x,y)= (1,-1)-(-3,2)=.....?\)
OpenStudy (anonymous):
why do u need to subtract i thought it was addition for P and Q that's where i am getting stuck
hartnn (hartnn):
because its like finding distance, |dw:1356340150717:dw| how could u have found 'p', by adding or subtracting co-ordinates ?
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