潘学功,孟祥菊
(1.河北软件职业技术学院 学生处,河北 保定 071000;2.保定学院 数学与计算机系,河北 保定 071000)
设p∈R,2个正数a与b的p阶幂平均定义为
近年来,幂平均及其不等式得到了广泛的研究[1-11].众所周知,对于固定的a,b>0且a≠b,Mp(a,b)于p∈R是连续和严格递增的.
如果定义
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