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Determinant help!

  1. Sep 29, 2009 #1
    how can i show that a determinant is divisible by a number, without directly evaluating the determinant?
     
  2. jcsd
  3. Sep 29, 2009 #2

    Hurkyl

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    You could work modulo that number, and use your favorite method to show the determinant is zero.
     
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