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Row Reduction with Variables

  1. Feb 24, 2004 #1
    Can anyone help me with this. I am asked to solve the following matrix with Row Red. Algorithm,

    [ a 3 (1+a) | -a ]
    [ 1 a 3 | -2a]
    [ 1 1 1 | 0 ]

    I get to something like

    [ 1 1 1 | 0 ]
    [ 0 a-1 2 | -2a]
    [ 0 3-a 1 | -a]

    but what do I do now?
     
  2. jcsd
  3. Feb 24, 2004 #2

    matt grime

    User Avatar
    Science Advisor
    Homework Helper

    if a isn't 1 then you can divide row two by a-1. (if a=1...)
     
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