Table 6: Comparison between the first expression of the first-order approximate solutions given by (51) obtained by OHAM and numerical results for and (error = ).

(51) Error

1 1. 1. 0.
9/5 0.6540357246 0.6540356881
13/5 0.6019106890 0.6019108087
21/5 0.5917231482 0.5917232409
29/5 0.5914012763 0.5914011910
37/5 0.5913902415 0.5913901904
41/5 0.5913898860 0.5913898617
9 0.5913898108 0.5913897995
0.5913897892 0.5913897892