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Homework Help: How do I get the second matrix from the first one in this example

  1. Oct 9, 2008 #1
    I have:
    And how do I get the following matrix with elementary row operations?:
  2. jcsd
  3. Oct 9, 2008 #2
    Like before, use the rows that have only a single 1. These allow you to change any value in the column without affecting the rest of the row.
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