On 3/31/2013 10:24 AM, Axel Vogt wrote: > On 31.03.2013 16:15, IV wrote: > > ... > > [c1=A*B/C, c2=C*A/D, D=c3-A, C=A-B]; > solve(%, [A, B, C, D]); > > Maple 17 solves it, using roots of a cubic (and ignoring > cases where a denominatror may vanish). > >
Mathematica V 9.01 solves it as well. But D and A are reserved. So changed them to lower cases.