Ecuación diferencial y''-2y'+3y=x^3+sin(x)
El profesor se sorprenderá mucho al ver tu solución correcta😉
Solución
3 2
8 x cos(x) sin(x) 2*x 2*x / / ___\ / ___\\ x
y(x) = - -- + -- + ------ + ------ + ---- + --- + \C1*sin\x*\/ 2 / + C2*cos\x*\/ 2 //*e
27 3 4 4 3 9
$$y{\left(x \right)} = \frac{x^{3}}{3} + \frac{2 x^{2}}{3} + \frac{2 x}{9} + \left(C_{1} \sin{\left(\sqrt{2} x \right)} + C_{2} \cos{\left(\sqrt{2} x \right)}\right) e^{x} + \frac{\sin{\left(x \right)}}{4} + \frac{\cos{\left(x \right)}}{4} - \frac{8}{27}$$
Clasificación
nth linear constant coeff undetermined coefficients
nth linear constant coeff variation of parameters
nth linear constant coeff variation of parameters Integral