1. Department of Mathematics, Collage of Science, Princess Nourah Bint Abdulrahman University, P. O. Box 84428, Riyadh 11671, Saudi Arabia
2. Department of Mathematics, Faculty of Science, University of Ha’il, Ha’il 2440, Saudi Arabia
3. Department of Mathematics, Faculty of Science, Mansoura University, Mansoura 35516, Egypt
4. Department of Mathematics, College of Science and Humanities in Al-Kharj, Prince Sattam Bin Abdulaziz University, Al-Kharj 11942, Saudi Arabia