JEE Math Practice Question
Let z be complex number such that $$\left| {{{z - i} \over {z + 2i}}} \right| = 1$$ and |z| = $${5 \over 2}$$. Then the value of |z + 3i| is :
- A.$$2\sqrt 3 $$
- B.$$\sqrt {10} $$
- C.$${{15} \over 4}$$
- D.$${7 \over 2}$$
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