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