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Homework Help: Determinants 4x4 matrix

  1. Jul 17, 2006 #1
    A=[3 2 4 3 ;2 -1 2 -2 ; 1 2 0 -2 ;-2 -5 -5 -4]

    can smby pls show me how to perform this determinants pls

  2. jcsd
  3. Jul 17, 2006 #2


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    You need to expand by minors...

    You probably won't get much more help without showing some working.
  4. Jul 17, 2006 #3


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    Homework Helper

    Do you know how row (or column) operations affect determinants? This can greatly simply things before you expand. Should be in your textbook or notes.
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