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Math Help - Matrix and reduced row echelon

  1. #1
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    Matrix and reduced row echelon

    If A is a 3 x 5 matrix, then the number of leading 1's in its reduced row echelon form is at most ___________. Explain.
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  2. #2
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    Re: Matrix and reduced row echelon

    Hey Civy71.

    Hint: If you row-reduce the matrix with leading 1's in each column, then what is the maximum number of these 1's that you can get?
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