if |z1+z2|=|z1-z2| then prove that arg(z1)-arg(z2 )=pi/2 Share with your friends Share 6 Ashish answered this |z1+z2|=|z1-z2| then prove that arg(z1)-arg(z2)=pi/2 -9 View Full Answer Reema answered this Ans me 0 Chandan Mondal answered this The problem can be solved as given in picture -3