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Flag Magical Mathematics[Interesting Approach]> |z|=1 w=(z-1)/(z+1) re(w) ?
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|z|=1w=(z-1)/(z+1)re(w) ?

Leo Pixie , 10 Years ago
Grade 9
anser 1 Answers
Arun Kumar

Last Activity: 10 Years ago

Hello Student,

\\w={z-1 \over z+1} \\=>z={w+1 \over w-1} \\=>|w+1|=|w-1| \\$squaring both sides$ \\4|w|Re(w)=0 \\=>Re(w)=0
Thanks & Regards
Arun Kumar
Btech, IIT Delhi
Askiitians Faculty

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