Stability of a functional equation deriving from quartic and additive functions
Bull. Korean Math. Soc. 2010 Vol. 47, No. 3, 491-502
Published online May 1, 2010
Madjid Eshaghi Gordji
Semnan University
Abstract : In this paper, we obtain the general solution and the generalized Hyers-Ulam Rassias stability of the functional equation $$f(2x+y)+f(2x-y)=4(f(x+y)+f(x-y))-\frac{3}{7}(f(2y)-2f(y))+2f(2x)-8f(x)$.$$
Keywords : Hyers-Ulam-Rassias stability
MSC numbers : 39B82, 39B52
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