JEE Main 202127 Aug, Morning shiftMathematicsEasyComplex Numbers and Quadratic Equations264× since 2002If S={z∈C:z−iz+2i∈R}S = \left\{ {z \in C:{{z - i} \over {z + 2i}} \in R} \right\}S={z∈C:z+2iz−i∈R}, then :AOption A. S contains exactly two elementsBOption B. S contains only one elementCOption C. S is a circle in the complex planeDOption D. S is a straight line in the complex planeCheckSkip · show solution
