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In this article we have defined a subclass of Bi-univalent functions using symmetric q- derivative operator and estimated the bounds for the coefficients using Faber polynomial techniques. We also have obtained the bounds for the linear functional which is popularly known as Fekete- Szegὅ problem.

periodicals of engineering and natural sciences

Coefficient estimates and Fekete- Szegὅ inequality for a subclass of Bi-univalent functions defined by symmetric Q-derivative operator by using Faber polynomial techniques