STABILITY OF A FUNCTIONAL EQUATION DERIVING FROM QUARTIC AND ADDITIVE FUNCTIONS

By M. Eshaghi Gordji. 2008

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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)) - (f(2y) - 2f(y)) + 2f(2x) - 8f(x).

Subfields: Applied Mathematics

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