Mathematics · 2021
JEE Main · 26 August 2021, Shift 1 · Q62
The equation ((z-1)/(z+1))=(π)/4 represents a circle with:
The equation $\displaystyle \arg \left(\frac{z-1}{z+1}\right)=\frac{\pi}{4}$ represents a circle with :
Official answer
(3)
centre at $\displaystyle (0,1)$ and radius $\displaystyle \sqrt{2}$
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JEE Main 2021 Mathematics question, with the answer from NTA’s final answer key. Where our answers come from.