ON THE MODIFIED HYERS-ULAM-RASSIAS STABILITY OF THE EQUATION f(x2 - y2 + rxy) = f(x2) - f(y2) + rf(xy)

  • Received : 1997.06.30
  • Published : 1997.07.31

Abstract

In this paper, we prove a generalization of the stability by s. M. Jung[3] of the functional equation $f(x^2-y^2+rxy)=f(x^2)-f(y^2)+rf(xy)$, which can be considered as a variation of the Hosszu's functional equation.

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