I don't know if this is a bug, local quirk, or what, but ratsolve seems
to be giving me a wrong answer here:
Maxima 5.9.1.1cvs http://maxima.sourceforge.net
Using Lisp SBCL 0.8.20
(%i1) ratsolve(d=sqrt(h^2/a^2+k^2/b^2+l^2/c^2)^-1,a);
b c h
(%o1) [a = - ---------, a = 0]
b l + c k
This is obviously nonsense because the solution doesn't even contain d.
Did I flub it up somehow? Can anyone reproduce this? Is it expected?
CY
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