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Math Help - [SOLVED] Gauss-Jordan elimination #2

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    [SOLVED] Gauss-Jordan elimination #2

    10. c) in augmented matrix form

    0 0 0 1 2 -14
    0 0 0 1 -1 3
    0 0 1 3 -2 7
    2 4 1 7 0 7

    2 4 1 7 0 7
    0 0 1 2 -1 4
    0 0 0 1 -1 3
    0 0 1 3 -2 7

    1 2 1/2 7/2 0 7/2
    0 0 1 2 -1 4
    0 0 0 1 -1 3
    0 0 1 3 -2 7

    Row II and IV both have leading 1's. It's the first time I encounter this and I'm a little lost.
    Last edited by mr fantastic; January 24th 2010 at 05:03 PM. Reason: Edited post title
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