Question: where did the 3 come from? dsolve question.

The solution by Maple below is correct, but non-the-less, a little strange.



Ofcourse 3*constant is still constant. But it is a little strange and have no reason for it to be there.  When I solve it by hand

What could made Maple put the 3 in there? Again, solution is 100% correct, but it could be simpler.

Maple 2017.1



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