JIPAM

An Interesting Double Inequality for Euler's Gamma Function  
 
  Authors: Necdet Batir,  
  Keywords: Gamma function, Psi function, Inequalities, Polygamma function.  
  Date Received: 08/09/04  
  Date Accepted: 01/10/04  
  Subject Codes:

Primary: 33B15; Secondary: 26D07.

  
  Editors: Andrea Laforgia,  
 
  Abstract:

In this short paper we derive new and interesting upper and lower bounds for the Euler's gamma function in terms of the digamma function $ {\psi}(x) ={\Gamma }^{\prime}(x) / \Gamma (x)$.;


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