Ecuación diferencial y'''-2*y''-8y'=((4-x)*e^(4*x))+8*sin(4*x)-3*x
El profesor se sorprenderá mucho al ver tu solución correcta😉
Solución
2 / 2 \
3*x sin(4*x) 3*x 3*cos(4*x) -2*x | x 53*x| 4*x
y(x) = C1 - --- + -------- + ---- + ---------- + C3*e + |C2 - -- + ----|*e
32 40 16 40 \ 48 288 /
$$y{\left(x \right)} = C_{1} + C_{3} e^{- 2 x} + \frac{3 x^{2}}{16} - \frac{3 x}{32} + \left(C_{2} - \frac{x^{2}}{48} + \frac{53 x}{288}\right) e^{4 x} + \frac{\sin{\left(4 x \right)}}{40} + \frac{3 \cos{\left(4 x \right)}}{40}$$
Clasificación
nth linear constant coeff undetermined coefficients
nth linear constant coeff variation of parameters
nth order reducible
nth linear constant coeff variation of parameters Integral