The Pure and Applied Mathematics (한국수학교육학회지시리즈B:순수및응용수학)
- Volume 14 Issue 1 Serial No. 35
- /
- Pages.23-35
- /
- 2007
- /
- 1226-0657(pISSN)
- /
- 2287-6081(eISSN)
THE MODIFIED HYERS-ULAM-RASSIAS STABILITY OF A MIXED TYPE FUNCTIONAL EQUATION
Abstract
We investigate the modified Hyers-Ulam-Rassias stability for the following mixed type functional equation, i.e, cubic or quadratic type functional equation : 9f(x+y)-9f(x-y)+f(6y)=3f(x+3y)-3f(x-3y)+9f(2y).