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Math Help - Row echelon forms

  1. #1
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    Row echelon forms

    If A is a 3 x 5 matrix, then the number of leading 1's in any of its row echelon forms is at most _____________?
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  2. #2
    Senior Member MacstersUndead's Avatar
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    Re: Row echelon forms

    The question is equivalent to saying "The number of independent variables is at most _____". You have three equations of five variables.
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