On the coefficient of The $n^{th}$ Cesaro mean of order $\alpha$ of bi-univalent functions

Abstract

The purpose of the present paper is to introduce a new subclasses of the function class of bi-univalent functions defined in the open unit disc. Furthermore, we obtain estimates on the coefficients $|a_2|$ and $|a_3|$ for functions of this class. Some results related to this work will be briefly indicated.

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