• Book	Advanced Engineering Mathematics
  Author	Erwin Kreyszig
  Edition	8th Edition

code_begins

automatic_names('true')
y=function('y',x)
d=diff(y,x,3)+3*diff(y,x,2)+3*diff(y,x,1)+y-30*(e^(-x))==0
desolve_laplace(d,[y,x],ics=(0,3,-3,-47))


sol:
        

5*x^3*e^(-x) - 25*x^2*e^(-x) + 3*e^(-x)

code_ends

• Solution by:

  • <eshwara>, <student>, <snist>