#### Bug in dsolve in Maple V.4 to Maple 6 (19.2.97)

I’ve just discovered a bug that Release 4 seems to have introduced to dsolve. As an example to my
students I oﬀered the following homogeneous equation

dsolve in Release V.3 gave the answer

but in V.4 two (!!) solutions are returned, one of which is the previous - in the less friendly
form

The other solution is the negative of this (and so is wrong as it does not satisfy the condition at
x=1).

If one of the solutions is extracted for examination, it changes form yet again to

[I know this bug all has to do with branches in the complex plane, but my students have no idea about
that.]

It is corrected with Maple 7. (U. Klein)