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If z=x+i y and w=(1-i z)/(z-i) , show t...

If `z=x+i y and w=(1-i z)/(z-i)` , show that `|w|=1 z` is purely real.

A

imaginary axis

B

real axis

C

unit circle

D

None of these

Text Solution

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The correct Answer is:
B
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