About the Authors

Muhammad Asad Iqbal

Mathematics COMSATS Institute of Information Technology, Park Road, Chak Shahzad, 45550 Islamabad, PAKISTAN

Muhammad Maroof Gohar

Mathematics, G.C. University, Lahore, Pakistan

Moiz ud Din Khan

Mathematics COMSATS Institute of Information Technology, Park Road, Chak Shahzad, 45550 Islamabad, PAKISTAN

Corresponding Author

Email: moiz@comsats.edu.pk