show that w=1/2(z+z^-1) maps unit circle to unit circle centered at origin

Introduction: In this we will present step by step procedure to show that w=1/2(z+z^-1) maps unit circle to unit circle centered at origin . This is a bi linear transformation problem of complex numbers. Question: show that \[w=\frac{1}{2}\left(z+z^{-1}\right)\] maps unit…

This Question has been answered. 

Please Subscribe to See Answer or To Get Homework Help