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Math Help - A Problem in Ratios

  1. #1
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    Apr 2010
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    Question A Problem in Ratios

    His this is an example problem from hall and knight's higher algebra book,
    it says

    if x/l(mb+nc-la) = y/m(nc+la-mb) = z/n(la+mb-nc)

    then prove that

    l/x(by+cz-ax) = m/y(cz+ax-by) = n/z(ax+by-cz)

    can you please tell me the steps one should go through to prove this?
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  2. #2
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    Question

    What is a higher algebra problem doing on this particular forum?
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