Ecuación diferencial y'''-y=xe^x
El profesor se sorprenderá mucho al ver tu solución correcta😉
Solución
-x
/ / ___\ / ___\\ --- / 2\
| |x*\/ 3 | |x*\/ 3 || 2 | x x | x
y(x) = |C1*sin|-------| + C2*cos|-------||*e + |C3 - - + --|*e
\ \ 2 / \ 2 // \ 3 6 /
$$y{\left(x \right)} = \left(C_{1} \sin{\left(\frac{\sqrt{3} x}{2} \right)} + C_{2} \cos{\left(\frac{\sqrt{3} x}{2} \right)}\right) e^{- \frac{x}{2}} + \left(C_{3} + \frac{x^{2}}{6} - \frac{x}{3}\right) e^{x}$$
Clasificación
nth linear constant coeff undetermined coefficients
nth linear constant coeff variation of parameters
nth linear constant coeff variation of parameters Integral