@Preben Alsholm @gkokovidis
I have now tried The suggested methods in Maple 2016.1. It gives different results every now and then, when I open a new sheet and copy-and-paste the expand expression. I have also tried replacing the variables with numbers in a text editor, and all programs that I have tried gives the same result as Maple 17 GUI/Mathematica/Python 2.7.12/ Sympy 1.?/MATLAB 2016a. Thus, I still belive in the result:
I susspect that there is some kind of bug here, simply given the different results across Maple versions.
Here is my Maple file: https://www.dropbox.com/s/afxf5yl3a5y10gk/trust_issues.mw?dl=0
Best regards, Jonas