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

/* code_begins */

{{{
x=var('x')
y=function('y',x)
de=(2*diff(y,x,x)-9*diff(y,x))
desolve(de,y)
}}}

/* code_ends */

 * '''Solution by''': 
   * <PRABHAT KUMAR TEOTIA>, <STUDENT>,ARMY INSTITUE OF TECHNOLOGY,PUNE
   * <NARENDRA KUMAR>, <STUDENT>, <ARMY INSTITUTE OF TECHNOLOGY,PUNE>