Define all functions that are defined in the set of real numbers excluding zero and satisfy the following:
f(x)+8f(1/x)63x=0 , x≠0
(In reply to
The only solution by Steve Herman)
Nice one, Steve. In my earlier post I missed that my "defining equation" must hold on both sides of x=1, so there is indeed one solution only.

Posted by JLo
on 20061019 04:38:58 