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

/* code_begins */

{{{
x=var('x')
k=var('k')
y=function('y',x)
de=(1*diff(y,x,x)+2*k*diff(y,x)+k*k*y)
desolve(de,[y,x])
}}}

/* code_ends */

 * '''Solution by''': 
   * <PRABHAT KUMAR TEOTIA>, <STUDENT>, <AIT,PUNE>
   * <NARENDRA>, <STUDENT>, <AIT,PUNE>