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JEE Math Practice Question

Let $$z$$ be a complex number such that $$\left| {{{z - 2i} \over {z + i}}} \right| = 2,z \ne - i$$. Then $$z$$ lies on the circle of radius 2 and centre :

  1. A.(0, $$-$$2)
  2. B.(0, 0)
  3. C.(0, 2)
  4. D.(2, 0)

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