Let z be a complex number such that the imaginary part of t is non zero and a-z2-z-1 is real-Then a cannot take the valueA- 1-2B- 1-3C- -1D- 3-4

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Let z be a co...

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Let z be a complex number such that the imaginary part of t is non zero and a = z²+z +1 is real.Then a cannot take the value

- 1

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\frac{1}{2}

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\frac{1}{3}

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\frac{3}{4}

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Let z be a complex number such that the imaginary part of t is non zero and a = z²+z +1 is real.Then a cannot take the value

Let z be a complex 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 = z^{2} + z + 1

a

a = z^{2} + z + 1

a

z

z

a = z^{2} + z + 1

a

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