JEE Math Practice Question
Let z $$ \in $$ C with Im(z) = 10 and it satisfies $${{2z - n} \over {2z + n}}$$ = 2i - 1 for some natural number n. Then :
- A.n = 20 and Re(z) = –10
- B.n = 40 and Re(z) = 10
- C.n = 40 and Re(z) = –10
- D.n = 20 and Re(z) = 10
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