【摘要】 本文用不定积分法给出了二阶常系数线性非齐次方程y″+py′+gy=P_m（x）e^λx的特解公式。更多还原

【Abstract】 In this paper, we have given the special solution formulas about the second-order constant coefficients nonhomogeneous linear differential equation: y^" + py^’+qy=P_m（x）e^λx by using the method of indefinite integral.更多还原