[1]Department of Mathematics;
SSA Government First Grade College (Autonomous);
Ballari;
Karnataka;
583101;
India;
[2]Department of Mathematics;
Manipal Institute of Technology;
Manipal Academy of Higher Education;
Manipal;
Karnataka;
576104;
India;
[2]Department of Mathematics;
Manipal Institute of Technology;
Manipal Academy of Higher Education;
Manipal;
Karnataka;
576104;
India;
[3]Department of Mathematics;
Vijayanagara Srikrishnadevaraya University;
Ballari;
Karnataka;
583105;
India;