# A Problem in Ratios

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• April 19th 2010, 01:35 AM
pd1388
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?
• April 19th 2010, 07:26 AM
wonderboy1953
Question
What is a higher algebra problem doing on this particular forum?