Solve using undetermined coefficients: y′′−4y=(x2−3)sin2x

Differential Equation:

Differential equation of from ϕ(D)y=f(x)where,D=ddx
has solution y=yc+yp

where, complimentary function (yc)

is depend on auxiliary equation and

particular integral (yp)
is depend on f(x).

Respuesta :