The equation Im ((iz - 2)/(z - i)) + 1 = 0, z C, z ≠ i represents a part of a circle having radius equal to:

Complex Numbers and Quadratic Equations: JEE Main 2017 Mathematics question

JEE Main 2017 · 9 Apr, Morning shift · Q3178

JEE Main 20179 Apr, Morning shiftMathematicsHardComplex Numbers and Quadratic Equations264× since 2002

The equation Im

\left( {{{iz - 2} \over {z - i}}} \right)

+ 1 = 0, z

\in

C, z

\ne

i represents a part of a circle having radius equal to :