||'''Book'''|| Advanced Engineering Mathematics ||
 ||'''Author'''|| Erwin Kreyszig ||
 ||'''Edition'''|| 8th Edition ||

/* code_begins */

{{{
#Kreyszig Pg.108 Problem set 2.9 Question 20
var('x')
y=function('y',x)
print desolve(diff(y,x,2)+2*diff(y,x)+5*y==1.25*exp(0.5*x)+40*cos(4*x)-55*sin(4*x),[y,x],ics=[0,0,1])}}}

/* code_ends */

 * '''Solution by''': 
   * <S Micheal Ammal>, <Lecturer>, <St Francis Institute of Technology>
   * <Your Name>, <Profession>, <Organization>