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Vectors and magnitude

  1. Sep 18, 2006 #1
    hello, can someone please tell me if this is correct? no it is not for my homework.

    place vector symbols above all letters.

    |m-n| = |n|-|m|

    place vector symbols about the letters to specify they are vectors

    so are they the same?
     
  2. jcsd
  3. Sep 18, 2006 #2

    berkeman

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    Staff: Mentor

    If I understand the question, then no they are not the same. Can you tell me why?
     
  4. Sep 18, 2006 #3

    mathman

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    Science Advisor
    Gold Member

    For example, look at m=n and m=-n.
     
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