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A double inequality for gamma function. (English) Zbl 1176.33002

Summary: Using the Alzer integral inequality and the elementary properties of the gamma function, a double inequality for gamma function is established, which is an improvement of Merkle’s inequality.

MSC:

33B15 Gamma, beta and polygamma functions
26D15 Inequalities for sums, series and integrals
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References:

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