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Mathematics 14 Online
OpenStudy (anonymous):

Let u = <5, 6>, v = <-2, -6>. Find -2u + 5v.

OpenStudy (anonymous):

-2u+5v=-2<5,6>+5<-2,-6>=<-10,-12>+<-10,-30>=<-10-10,-12,-30>=<-20,-42>

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