Stability of a quartic functional equation in multi banach spaces: hyers direct method

Author: 
B. Muneeswaran., R. Veerasivaji., A. Ponmana Selvan and D.Vignesh

In this paper, we investigate the Hyers-Ulam Stability of a Quartic Functional Equation of the form

f(2x + y) + f(2x−y) = 4 f(x + y) + 4 f(x−y) + 24 f(x) − 6 f(y)
in Multi Banach Space by using Hyer’s Direct method.

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