April 5th, 2014, 03:52 PM  #21 
Global Moderator Joined: Dec 2006 Posts: 19,741 Thanks: 1815 
It may give a stepbystep explanation of its solution, but its interpretation and assumptions are more important. If WA gives noninteger solutions, it has assumed that they are of interest to you for some reason, but your original equation isn't properly defined for values of x that are not positive integers.


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