About the Authors

Salah H. Abid

Mathematics department, Education College, Al-Mustansiriya University, Baghdad, Iraq

Sameer Q. Hasan

Mathematics department, Education College, Al-Mustansiriya University, Baghdad, Iraq

Uday J. Quaez

Mathematics department, Education College, Al-Mustansiriya University, Baghdad, Iraq

Corresponding Author

Email: abidsalah@gmail.com