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

/* code_begins */

# solution 3 : evaluation in double integral
var('u')
var('v')
uu = integral(u*u+v*v, u, 0, 2)
vv = integral(uu, v, 0, 2)
result = vv/4
print 'result of double integral : ', result

/* code_ends */

 * '''Solution by''': 
   * sanjeev, student, iiitH
   * mukund, student, iiitH