If z = x+iy and w = 1 - i2 / z-i Show that mod w = 1 implies z is purely real. Share with your friends Share 1 Shubham Chourasiya answered this Follow the link for similar query:https://www.meritnation.com/ask-answer/question/if-z-x-iy-and-w-1-iz-z-1-such-that-w-1/complex-numbers-and-quadratic-equations/4859817 -1 View Full Answer