If z(1) , z(2) are two complex numbers s...

If `z_(1) , z_(2)` are two complex numbers such that `I m (z_(1) + z_(2)) = 0 Im, (z_(1) z_(2)) = 0 ` then :

`z_(1)=-z_(2)`

`z_(1)=z_(2)`

`z_(1)=barz_(2)`

`z_(1)=-barz_(2)`

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