I get the same with ratsolve. Solve returns a correct result.
Milan Lukic
C Y [10/05/05 06:02 -0700]:
> 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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