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OpenStudy (anonymous):
Can someone check me please... Given vectors u=<3,5> and v=<4,-4> determine the quantity indicated below: -4u.-2v I got -8 as my answer
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OpenStudy (anonymous):
<-12, -20> - <8, -8> subtracting two vectors will give you another vector <-20, -12> I'm not sure how you ended up with a scalar value
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