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

/* code_begins */

{{{
x=var('x')
y=function('y',x)
de=(9*diff(y,x,x)-30*diff(y,x)+25*y)
desolve(de,y)
}}}

/* code_ends */

 * '''Solution by''': 
   * <PRABHAT KUMAR TEOTIA>, <STUDENT>, <ARMY INSTITUTE OF TECH.,PUNE>
   * <NARENDRA KUMAR>, <STUDENT>, <ARMY IS. OF TECH.,PUNE>