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Math Help - Perform operations on vectors

  1. #1
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    Perform operations on vectors

    perform the indicated operations, where u=<-2,4> and v=<-3,-2>
    [[v+2u]]
    (the brackets[] are supposed to be straight lines indicating magnitude)
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  2. #2
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    Quote Originally Posted by kelsey3 View Post
    perform the indicated operations, where u=<-2,4> and v=<-3,-2>
    [[v+2u]]
    (the brackets[] are supposed to be straight lines indicating magnitude)
    |<-2,4>+2<-3,-2>|=|<-2,4>+<-6,-4>|=
    |<-8,0>|=\sqrt{(-8)^2+(0)^2}=\sqrt{64}=8
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