STABILITY OF TWO GENERALIZED 3-DIMENSIONAL QUADRATIC FUNCTIONAL EQUATIONS

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Published: Feb 15, 2018
DOI: https://doi.org/10.14403/jcms.2018.31.1.29
Keywords:
stability, 3-dimensional quadratic functional equation, direct method
Mathematics Subject Classification (2020):
Primary 39B82, 39B52

Main Article Content

Sun-Sook Jin
Department of Mathematics Education, Gongju National University of Education
Yang-Hi Lee
Department of Mathematics Education, Gongju National University of Education

Abstract





In this paper, we investigate the stability of two functional equations f (ax+by + cz) (cid:0) abf (x + y) (cid:0) bcf (y + z) (cid:0) acf (x + z) + bcf (y)





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Article Details

Issue
Vol. 31 No. 1 (2018)
Section
Articles