[1] Gnanamani Coll Technol, Dept Math, Namakkal 637018, Tamilnadu, India
[2] Sri Vasavi Coll, Dept Math, Erode 638316, Tamil Nadu, India
[3] KPR Inst Engn & Technol, Dept Math, Coimbatore 641407, Tamil Nadu, India
[4] Jouf Univ, Coll Sci, Math Dept, POB 2014, Sakaka 72388, Saudi Arabia
[5] Univ Jeddah, Coll Sci, Dept Math, POB 80327, Jeddah 21589, Saudi Arabia
[6] Suez Canal Univ, Fac Comp & Informat, Basic Sci Dept, Ismailia 41522, Egypt