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Let z(1) and z(2) be complex numbers suc...

Let `z_(1) and z_(2)` be complex numbers such that `z_(1) ne z_(2) and |z_(1)|= |z_(2)|`. If Re `(z_(1)) gt 0` and `1M (z_(2)) lt 0`, then `(z_(1) + z_(2))/(z_(1)-z_(2))` is

A

one

B

real and positive

C

real nad negative

D

purely imaginary

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