Question

if |Z1|=|Z2|=|Z3|=.........=|Zn| =1 then, show that:
|Z1 +Z2 +Z3 +........+ Zn | = |1/Z1 +1/Z2 +1/Z3+ .....+1/Zn |​

Answer 1

Answer:

if z=x+iy and z1=x1+iy1