Question

Hi, parts a) and b) of this question are attached. 

 

Thanks so much!!!

23. Let W =
X2iy2
C1iy1 and z =
a) Show that the distance WZ between the points w and z is z - w.
(b) Show that the angle that the line WZ makes with the positive real axis is arg(z - w).

Image Transcription

23. Let W = X2iy2 C1iy1 and z = a) Show that the distance WZ between the points w and z is z - w. (b) Show that the angle that the line WZ makes with the positive real axis is arg(z - w).

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