1. Department of Basic Science, College of Science and Theoretical Studies, Saudi Electronic University, Riyadh-Male Campus, Riyadh 13316, Saudi Arabia
2. Department of Mathematics, J.C. Bose University of Science and Technology, YMCA, Faridabad 121 006, India
3. Basic Sciences Department, College of Science and Theoretical Studies, Saudi Electronic University, Jeddah 23442, Saudi Arabia