Sr Examen

Otras calculadoras

Ecuación diferencial y''''+4y'''+4y''=x-x^2

El profesor se sorprenderá mucho al ver tu solución correcta😉

v

Para el problema de Cauchy:

y() =
y'() =
y''() =
y'''() =
y''''() =

Gráfico:

interior superior

Solución

Ha introducido [src]
    2             3           4               
   d             d           d               2
4*---(y(x)) + 4*---(y(x)) + ---(y(x)) = x - x 
    2             3           4               
  dx            dx          dx                
$$4 \frac{d^{2}}{d x^{2}} y{\left(x \right)} + 4 \frac{d^{3}}{d x^{3}} y{\left(x \right)} + \frac{d^{4}}{d x^{4}} y{\left(x \right)} = - x^{2} + x$$
4*y'' + 4*y''' + y'''' = -x^2 + x
Respuesta [src]
               2    4    3                               
            5*x    x    x        -2*x     /         -2*x\
y(x) = C1 - ---- - -- + -- + C4*e     + x*\C2 + C3*e    /
             16    48   8                                
$$y{\left(x \right)} = C_{1} + C_{4} e^{- 2 x} - \frac{x^{4}}{48} + \frac{x^{3}}{8} - \frac{5 x^{2}}{16} + x \left(C_{2} + C_{3} e^{- 2 x}\right)$$
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