对任意a,b〉0,该文建立了如下两个不等式:成立.其中H(a,b)、I(a,b)和Mp(a,b)分别表示两个正数a与b的调和平均、指数平均和P阶幂平均.
For any a, b 〉 0, the authors present the following two optimal inequalities: Here, H(a, b), I(a, b) and Mp(a, b) denote the harmonic, identric and power means of order of p of two positive numbers a and b, respectively.