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.
Citation
Tie-Hong Zhao. Yu-Ming Chu. Yun-Liang Jiang. Yong-Min Li. "Best Possible Bounds for Neuman-Sándor Mean by the Identric, Quadratic and Contraharmonic Means." Abstr. Appl. Anal. 2013 1 - 12, 2013. https://doi.org/10.1155/2013/348326
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