Table 1: Approximate values and exact solutions when for (3.12).

solutionHPTM solutionADM solutionVIM exact solution

0.06 0.250.0663670.0663670.066363 0.066365
0.500.2654680.2654680.2654500.265459
0.750.5973030.5973030.5972620.597283
1.01.0619701.0619701.0618001.061840

0.2 0.250.0764170.0764160.0762500.076338
0.500.305667 0.3056670.3050000.305351
0.750.6877500.6877500.6862500.687039
1.01.222670 1.2226701.2200001.221400

0.4 0.250.0938330.0938330.0925000.093239
0.500.375330 0.3753300.3700000.372956
0.750.8445000.8445000.8325000.839151
1.01.5013301.5013301.4800001.491820