|z|=1 w=(z-1)/(z+1) re(w) ?

Question

|z|=1w=(z-1)/(z+1)re(w) ?

Arun Kumar · Accepted Answer

Hello Student,z={w+1 \over w-1} \\=>|w+1|=|w-1| \\$squaring both sides$ \\4|w|Re(w)=0 \\=>Re(w)=0 src=http://latex.codecogs.com/gif.latex?%5C%5Cw%3D%7Bz-1%20%5Cover%20z&plus;1%7D%20%5C%5C%3D%3Ez%3D%7Bw&plus;1%20%5Cover%20w-1%7D%20%5C%5C%3D%3E%7Cw&plus;1%7C%3D%7Cw-1%7C%20%5C%5C%24squaring%20both%20sides%24%20%5C%5C4%7Cw%7CRe%28w%29%3D0%20%5C%5C%3D%3ERe%28w%29%3D0>Thanks & RegardsArun KumarBtech, IIT DelhiAskiitians Faculty

Algebra> |z|=1 w=(z-1)/(z+1) re(w) ?...

|z|=1
w=(z-1)/(z+1)
re(w) ?

Shreya Rajpal , 11 Years ago

Arun Kumar

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Algebra> |z|=1 w=(z-1)/(z+1) re(w) ?...

|z|=1w=(z-1)/(z+1)re(w) ?

Shreya Rajpal , 11 Years ago

Arun Kumar

LIVE ONLINE CLASSES

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|z|=1
w=(z-1)/(z+1)
re(w) ?