Babalola, Kunle Oladeji2021-04-262021-04-262006https://uilspace.unilorin.edu.ng/handle/20.500.12484/4808The object of this paper is study relationship between successive coefficients of some subclasses of the class of univalent functions in the unit disk. The result obtained is sharp, and is used to provide a new short proof of the well known conjecture of Robertson on the coefficient of close-to-convex functionsenSuccessive coefficientsstarlike functionsconvex functionsclose-to-convex functionsArticle