Department of Mathematics;
Faculty of Arts and Sciences;
Bolu Abant Izzet Baysal University;
Bolu;
Turkey;
Adomian Decomposition Method; Duan-Rach-Wazwaz Modified Adomian Decomposition Method; Initial Value Problem; Nonlinear Ordinary Differential Equation; Mathematica Solution; 4-th Order Runge Kutta Method; Pade Approximants;