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Math Help - Rank of this 3x4 matrix?

  1. #1
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    Rank of this 3x4 matrix?

    Hi,

    What is the rank of:

    2 -2 4 1
    4 t+3 8-2t 2
    6 -6 t+12 3

    Help is much appreciated,

    Dranlion.
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  2. #2
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    Quote Originally Posted by Dranalion View Post
    Hi,

    What is the rank of:

    2 -2 4 1
    4 t+3 8-2t 2
    6 -6 t+12 3

    Help is much appreciated,

    Dranlion.
    Reduce it to echelon form and count how many rows do not have 0 as every entry.
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