Two Dimensional Cebysev Type Inequalities for Functions Whose Second Derivatives are Co-ordinated $\left( h_{1},h_{2}\right) $-Preinvex

Two Dimensional Cebysev Type Inequalities for Functions Whose Second Derivatives are Co-ordinated $\left( h_{1},h_{2}\right) $-Preinvex

In this paper, we extend the identity established in \cite{2} for preinvex functions. Using this novel identity we establish some new Cebysev  type inequalities involving functions of two independent variable whose mixed derivatives are co-ordinated $(h_{1},h_{2})$-preinvex.

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