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Please, help me with this

  1. Jul 28, 2007 #1
    I don't know what they mean by "Evaluate" here...I don't know what to do...the options are next to the Matrix...please help, my test is on monday :cry:

    Last edited: Jul 28, 2007
  2. jcsd
  3. Jul 28, 2007 #2


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    Gold Member

    Its asking you to find the determinant of the matrix.
  4. Jul 28, 2007 #3


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    Do you know how to take the determinant of a matrix?
  5. Jul 28, 2007 #4
    OOOOhh now I got it...thank you so much for your responses, I really apreciate it :smile:!
  6. Jul 30, 2007 #5
    The solution is (3* 1) - (6 * 7) = 3 - 42 = -39
  7. Jul 31, 2007 #6
    Heh yes the determinant of A is denoted by |A| or sometimes det(A)
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