Table 4: Maximum relative errors of the approximate solutions and based on the homotopy perturbation method.


19.2 21.8 8.08 8.95
19.2 21.8 8.07 8.93
19.2 21.8 8.07 8.95
19.2 21.8 8.06 8.96

19.2 21.8 8.07 8.93
19.2 21.8 8.07 8.95
19.2 21.8 8.06 8.88
19.2 21.7 8.09 8.91