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The conjugate of a complex number $z$ is $\frac{2}{1 - i}$ then Re $(z)$ equals

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Correct option is C

z¯=21−i=1−i21−i=1+iNow Re (z)=Re (z¯)=1.

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The conjugate of a complex number z is 21−i then Re (z) equals

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The conjugate of a complex number $z$ is $\frac{2}{1 - i}$ then Re $(z)$ equals