var ('z1, z2')
z1 = 4-6*i
z2 = 2+2.5*i
arg(z1*z2)
-0.086738338676
arg(z1)+arg(z2)
-0.086738338676

Kreyszig-page no:- 662, chap:- 12, problem set:- 12.2, prob no:- 32 proving with (proof 9) (last edited 2010-12-17 06:33:13 by sampathreddy)