[1] Umm Al Qura Univ, Coll Appl Sci, Dept Math Sci, Mecca 21955, Saudi Arabia
[2] Shaheed Benazir Bhutto Univ, Dept Math, Sheringal 18000, Pakistan
[3] Khon Kaen Univ, Fac Sci, Dept Math, Khon Kaen 40002, Thailand
[4] Univ Engn & Technol, Dept Nat Sci & Humanities, Mardan 23200, Pakistan
[5] Prince Sattam Bin Abdulaziz Univ, Coll Sci & Humanities Al Aflaj, Dept Math, Al Aflaj 11912, Saudi Arabia
[6] Damietta Univ, Fac Sci, Dept Math, Dumyat 34517, Egypt
[7] Mansoura Univ, Fac Engn, Mech Power Engn Dept, Mansoura, Egypt