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

/* code_begins */

{{{
y = var('y')    # define a variable y
x = function('x',y)   # define x to be a function of that variable
DE = diff(x, y) - x*y
f=desolve(DE, [x,y],ics=(1,2)); f
plot(f)
}}}

/* code_ends */

 * '''Solution by''': 
   * Meshram M.C., Professor, L.I.T.,R.T.M. Nagpur University, Nagpur
   * ARun C. H., Associate Professor, Nesamony Memorial Christian College, Marthandam
   * Shatheesh Sam, I., Research Scholar, Anna University Chennai