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Math Help - matrices workings

  1. #1
    cmdhit
    Guest

    matrices workings

    from the diagram below 2nd row is multiplied by m1
    1st and 3rd rows are swapped.
    But i dont know how to do the rest of the row operations.

    these are my workings without swapping (or doing any of the above first)

    row 1 - (row 3 * m1)
    = row 1 = 0 -m1 1 m1*g
    row1 + (row 2 / m2 * m1 = 0 m1 m1/m2 m1g)
    = row1 = 0 0 1+m1/m2 2*m1g*m2

    swap row 1 and 3
    multiply row 2 by m1

    and thats it i think.
    is this correct? is there an easier way to do this?
    Attached Thumbnails Attached Thumbnails matrices workings-problem.jpg  
    Last edited by cmdhit; November 14th 2006 at 07:56 AM.
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