I. Khan (1), T. Aziz (2), A. Khan (3), S. M. El-Sayed (4) (1) Department of Applied Mathematics, Faculty of Eng. & Technology, A.M.U. Aligarh-202002,
India., India,
(2) Department of Applied Mathematics, Faculty of Eng. & Technology, A.M.U. Aligarh-202002,
India., India,
(3) Department of Mathematics, A.M.U. Aligarh-202002, India., India,
(4) Department of Mathematics, Faculty of Sciences, Benha University, Benha-13518,
Egypt., Egypt