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

/* code_begins */

{{{
u = var('u')
v = var('v')
0<=u<=2*pi
-pi/2<=v<=pi/2
a = var('a')
in1 = integral(a**2*cos(v), u, 0, 2*pi)
print "First half",in1
fp1 = integral(in1,v,-pi/2,pi/2)
print "Second half",fp1
print "Final Result: ",show(expand(fp1))
}}}

/* code_ends */

 * '''Solution by''': 
   * <Vasu Ravada>, <Mentor>, <EnhanceEdu>
   * <Ram Naresh>, <Mentor>, <EnhanceEdu>