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OpenStudy (anonymous):
Let u = <7, -3>, v = <-9, 5>. Find 4u - 3v.
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OpenStudy (anonymous):
4<7,-3> = <28,-12> 3<-9,5> = <-27, 15> Then subtract 28-(-27)=55 -12-15=-27 <55,-27> You are just multiplying by the magnitude of the vector
OpenStudy (anonymous):
thank you!
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