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Let z be a comples number such that the ...

Let `z` be a comples number such that the imaginary part of `z` is non-zero and `a=z^(2)+z+1` is real. Then a cannot take the value :

A

`-1`

B

`(1)/(3)`

C

`(1)/(2)`

D

`(3)/(4)`

Text Solution

Verified by Experts

The correct Answer is:
D
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