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

/* code_begins */

{{{
x = var('x')   
y = function('y',x)   
sol=desolve (diff(y,x)+3*y -sin(x) , [y,x], ics=(pi/2,0.3))
sol
}}}

/* code_ends */

 * '''Solution by''': 
   * Aashita Kesarwani, Student, IIT Roorkee
   * Praveen Kumar, Student, IIT Roorkee
   * Swati Ahuja, Student, IIT Roorkee