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

/* code_begins */

{{{
# Prob 5 - finding a general solution to a DE
x=var('x')
y=function('y',x)
DE=derivative(y,x,2)+derivative(y,x)-12*y==0
desolve(DE,y)
}}}

/* code_ends */

 * '''Solution by''': 
   * <Aniket Basu>, <Mathematical Physicist>, <ISI Kolkata>