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Math Help - 4 by 4 triangular matrix

  1. #1
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    4 by 4 triangular matrix

    1 -1 8 4
    2 6 0 -4
    2 0 2 6
    0 2 8 0



    Evaluate the determinant by using elementary row operations to convert into a triangular matrix
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  2. #2
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    Quote Originally Posted by FamousDrumFreak View Post
    1 -1 8 4
    2 6 0 -4
    2 0 2 6
    0 2 8 0
    Evaluate the determinant by using elementary row operations to convert into a triangular matrix
    Swap row 3 with 4 and then just add/subtract rows, multiple by constant, and multiple by constant and add/subtract
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