1. Department of Mathematics, College of Science, King Saud University, Riyadh 11451, Saudi Arabia
2. Department of Basic Sciences, Common First Year Deanship, King Saud University, Riyadh 12373, Saudi Arabia
3. Department of Mathematics, Faculty of Sciences and Arts, Jouf University, Tubarjal 74713, Saudi Arabia
4. Department of Mathematic, University of Gezira, Wad Madani 21111, Sudan
5. Department of Mathematics, Faculty of Science and Arts, Al-Baha University, Baljurashi 65622, Saudi Arabia