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Math Help - Vector tutorial suggestion

  1. #1
    Junior Member
    Joined
    May 2010
    Posts
    36

    Vector tutorial suggestion

    Hi I have this problem (attached) and I really need some brush up on vectors. Can you suggest a link for some good notes or tutorials that tackles part b) and c) .


    thanks

    Brandon
    Attached Thumbnails Attached Thumbnails Vector tutorial suggestion-problem-7-vectors-copy.jpg  
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  2. #2
    MHF Contributor
    Joined
    Nov 2008
    From
    France
    Posts
    1,458
    Hi

    2 lines are perpendicular if their direction vector are perpendicular (dot product equal to 0)

    2 lines intersect if you can find one value for \lambda and one for \mu such that the coordinates are equal

    l1 and l2 intersect and are perpendicular ; in the plane formed by l1 and l2 place A, P and B
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