Babalola, Kunle Oladeji2019-04-152019-04-152014http://hdl.handle.net/123456789/1746In this short paper we prove an interesting result that certain not-linear combinations of geometric expressions of the form φ(f,f^',f^'' )+λϕ(f,f^',f^'') imply schlichtness of holomorphic functions, normalized by f(0) and f^' (0)=1, in the unit disk E={z∈ C:|z|<1}enHolomorphic functionsSchlichtnessGeometric expressionsCombinationsArticle