Lets make a "forum" like thing for "Functional Equations".
I will post a question here, the person who solves it, would post another question and so on.
Lets make it short and simple :)
Question 1: Find all the functions such that for all rationals .
Note: The answer showed be accompanied with a valid proof.
Easy Math Editor
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Comments
There is already a Fuctional Equations Contest going on. But I think that the contest is currently paused as there are three other contests going on currently.