Question
If z is a complex number such that the imaginary part of z is non-zero and a = z 2 + z + 1 is
If z is a complex number such that the imaginary part of z is non-zero and a = z2 + z + 1 is real. Then, a cannot take the value
(a) -1
(b)1/3
(c) 1/2
(d) ¾
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Linear Algebra With Applications
Authors: W. Keith Nicholson
7th Edition
978-0070985100, 70985103
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