Table 4: Comparison of absolute errors for Example 4.

Exact solution Approximate
series solution
Absolute error
present method
Akram and Rehman [9]Siddiqi and Akram [5]Inc and Evans [7]

0.09946540.0994654
0.195424 0.195424
0.28347 0.28347
0.358038 0.358038
0.41218 0.41218
0.437309 0.437309
0.422888 0.422888
0.356087 0.356087