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Homework Help: Linear algebra |A|

  1. Mar 6, 2009 #1
    1. The problem statement, all variables and given/known data

    A=(1,2,3; 3,2,3; 5,4,1) (A is a matrix)

    How do you find |A| ?? (It´s supposed to be one number)

    I´ve tried everything ...
  2. jcsd
  3. Mar 6, 2009 #2


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    Homework Helper

    you're trying to find the determinant...

    what have you tried
  4. Mar 6, 2009 #3
    please just help me i´m so tired :(
  5. Mar 6, 2009 #4
    nevermind i got it
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