Pr | n | Mukhopadhyay (2012) [27] | Pal (2012) [28] | Hayat et al. (2014) [30] | Present results |
1 | −2 | - | - | −1.0000 | −0.9889 |
| −1 | - | - | −0.0 | −0.0025 |
| 0 | 0.5821 | - | −0.5832 | −0.5826 |
| 1 | 1.0000 | - | 1.0000 | 1.0002 |
| 2 | 1.3332 | 1.333333 | 1.3332 | 1.3333 |
10 | −2 | - | - | 10.0000 | 9.9964 |
| −1 | - | - | 0.0 | 0.0 |
| 0 | - | - | 2.3080 | 2.3080 |
| 1 | - | - | 3.7207 | 3.7206 |
| 2 | - | 4.796871 | 4.7969 | 4.7968 |
0.7 | 2 | - | - | 1.0791 | 1.0702 |
0.6 | 2 | - | - | - | 0.9708 |
0.5 | 2 | - | - | - | 0.8637 |