Mathematics · 2017
JEE Main · 9 April 2017, Shift 1 · Q63
The equation Im ((i z-2)/(z-i))+1=0, z ∈ C, z ≠ i represents a part of a circle having radius equal to:
The equation
$$\operatorname{Im}\left(\frac{i z-2}{z-i}\right)+1=0, z \in \mathbf{C}, z \neq i
$$
represents a part of a circle having radius equal to :
Official answer
(3)
$\displaystyle \frac{3}{4}$
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JEE Main 2017 Mathematics question, with the answer from NTA’s final answer key. Where our answers come from.