Let z be a complex number such that the imaginary part of z is nonzero and a=z2+z+1 is real. Then a cannot take the value:
A)−1B)13C)12D)34

Question

Let z be a complex number such that the imaginary part of z is nonzero and a=z2+z+1 is real. Then a cannot take the value: A)−1B)13C)12D)34

Pawan Prajapati · Answer

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Let z be a complex number such that the imaginary part of z is nonzero and a=z2+z+1 is real. Then a cannot take the value: A)−1B)13C)12D)34

Let z be a complex number such that the imaginary part of z is nonzero and a=z2+z+1 is real. Then a cannot take the value:
A)−1B)13C)12D)34

1 Answers

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Let z be a complex number such that the imaginary part of z is nonzero and a=z2+z+1 is real. Then a cannot take the value: A)−1B)13C)12D)34

Let z be a complex number such that the imaginary part of z is nonzero and a=z2+z+1 is real. Then a cannot take the value: A)−1B)13C)12D)34

1 Answers

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Let z be a complex number such that the imaginary part of z is nonzero and a=z2+z+1 is real. Then a cannot take the value:
A)−1B)13C)12D)34