Find all real valued functions G(x) on integers is such that:

(i) G(1) = 5/2, and:
(ii) G(0) is not zero, and:
(iii) G(A)*G(B) = G(A+B)+G(A-B), for all A and B

(In reply to re: Determined Function (spoiler) by Steve Herman)

Back at you, Steve.

Posted by xdog on 2015-05-02 15:03:38