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

/* code_begins */

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

/* code_ends */

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