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

/* code_begins */

{{{
#solve the second equation to find y2 in terms of y1 and x
k2 = desolve(diff(y2,x,1)  == y1, dvar = y2) # i have used k2 to denote it
#use k2 to solve for y1
desolve(diff(y1,x,1)==k2, dvar=y1)

}}}

/* code_ends */

 * '''Solution by''': 
   * Akash Singh, Student, CRCE
   * Vikas Singh, Student, CRCE