%0 Journal Article %A Norlyda Mohamed and Daud Mohamad and Shaharuddin Cik Soh %D 2011 %J International Journal of Mathematical and Computational Sciences %B World Academy of Science, Engineering and Technology %I Open Science Index 58, 2011 %T Extremal Properties of Generalized Class of Close-to-convex Functions %U https://publications.waset.org/pdf/14045 %V 58 %X Let Gα ,β (γ ,δ ) denote the class of function f (z), f (0) = f ′(0)−1= 0 which satisfied e δ {αf ′(z)+ βzf ′′(z)}> γ i Re in the open unit disk D = {z ∈ı : z < 1} for some α ∈ı (α ≠ 0) , β ∈ı and γ ∈ı (0 ≤γ 0 . In this paper, we determine some extremal properties including distortion theorem and argument of f ′( z ) . %P 1589 - 1592