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A Unified Treatment of Certain Subclasses of Prestarlike Functions  
 
  Authors: Maslina Darus,  
  Keywords: Analytic functions, Prestarlike functions, radii of starlikeness, convexity and close-to-convexity, Cauchy-Schwarz inequality.  
  Date Received: 15/03/05  
  Date Accepted: 04/10/05  
  Subject Codes:

30C45.

  
  Editors: Hari M. Srivastava,  
 
  Abstract:

In this paper we introduce and study some properties of a unified class $ mathcal{U [mu,alpha,beta,gamma,lambda,eta,A,B]$ of prestarlike functions with negative coefficients in a unit disk $ U$. These properties include growth and distortion, radii of convexity, radii of starlikeness and radii of close-to-convexity. ;


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