- #1

tusher

- 2

- 0

## Homework Statement

Show that arg[(z-1)/(z+1)] represents a circle. Find it's radius and centre.

## Homework Equations

## The Attempt at a Solution

using z = (x+iy) i narrowed down to (z-1)/(z+1) = (iy)/(1+x) , assuming it was a circle.

What next?

Is this correct approach??