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Math Help - Procing with vectors

  1. #1
    Member
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    Jul 2007
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    Proving with vectors

    Dear forum members,



    I have to prove that points A and B are coincident if MB+NM=NA+BA .


    Now because I suck at proving anything,


    I keep getting either NB=NB or NA=NA? Does this prove anything?




    Any help is appreciated.


    Thank you in advance!



    Please ignore the mistake in the title,it should be proving.
    Last edited by Coach; April 13th 2008 at 04:59 AM.
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