Best Possible Bounds for Neuman-Sándor Mean by the Identric, Quadratic and Contraharmonic Means

Tie-Hong Zhao, Yu-Ming Chu, Yun-Liang Jiang and Yong-Min Li

Abstract and Applied Analysis, 2013, vol. 2013, 1-12

Abstract:

We prove that the double inequalities hold for all with if and only if , , , and , where , , , and are the identric, Neuman-Sándor, quadratic, and contraharmonic means of and , respectively.

Date: 2013
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Persistent link: https://EconPapers.repec.org/RePEc:hin:jnlaaa:348326

DOI: 10.1155/2013/348326

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