[1] Mohi ud Din Islamic Univ, Dept Math, Nerian Sharif 12080, Aj&k, Pakistan
[2] Prince Sattam Bin Abdulaziz Univ, Coll Sci & Humanities, Dept Math, Al Kharj 11942, Saudi Arabia
[3] Saudi Elect Univ, Coll Sci & Theoret Studies, Dept Basic Sci, Riyadh 11673, Saudi Arabia
[4] King Khalid Univ, Fac Sci, Unit Bee Res & Honey Prod, POB 9004, Abha 61413, Saudi Arabia
[5] King Khalid Univ, Appl Coll, Mahala Campus,POB 9004, Abha 61413, Saudi Arabia
[6] Future Univ Egypt, Fac Engn, Ctr Res, New Cairo 11835, Egypt
[7] COMSATS Univ Islamabad, Dept Math, Attock Campus, Islamabad, Pakistan