Sharp Bounds for Toader Mean in terms of Arithmetic and Second Contraharmonic Means
We present the best possible parameters λ1,μ1∈R and λ2,μ2∈1/2,1 such that double inequalities λ1C(a,b)+1-λ1A(a,b)<T(a,b)<μ1C(a,b)+1-μ1A(a,b), Cλ2a+1-λ2b,λ2b+1-λ2a<T(a,b)<Cμ2a+1-μ2b,μ2b+1-μ2a hold for all a,b>0 with a≠b, where A(a,b)=(a+b)/2, C(a,b)=a3+b3/a2+b2 and T(a,b)=2∫0π/2a2cos2θ...
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Main Authors: | Wei-Mao Qian, Ying-Qing Song, Xiao-Hui Zhang, Yu-Ming Chu |
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Format: | Article |
Language: | English |
Published: |
Wiley
2015-01-01
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Series: | Journal of Function Spaces |
Online Access: | http://dx.doi.org/10.1155/2015/452823 |
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