This paper is concerned with the estimation of fourth Hankel determinant for a subclass of analytic functions defined by generalized Sălăgean operator in the open unit disc E=\{z: |z|<1\}. The present study sets the stage for other researchers to investigate the fourth Hankel determinant for some other subclasses of analytic functions.

 

 

 

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Author(s)

Singh, Gagandeep, Singh, Gurcharanjit , Singh, Gurmeet