[1]Department of Mathematics,Quaid-I-Azam University,Islamabad 44000,Pakistan;
[2]Nonlinear Analysis and Applied Mathematics (NAAM) Research Group,Department of Mathematics,Faculty of Science,King Abdulaziz University,Jeddah 21589,Saudi Arabia;
[1]Department of Mathematics,Quaid-I-Azam University,Islamabad 44000,Pakistan;
[3]Department of Mathematics,Riphah International University,Islamabad 44000,Pakistan;
[2]Nonlinear Analysis and Applied Mathematics (NAAM) Research Group,Department of Mathematics,Faculty of Science,King Abdulaziz University,Jeddah 21589,Saudi Arabia;