Let x, y, z be integers, not all simultaneously equal. If ω is a cub – McqOptions

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1.	Let x, y, z be integers, not all simultaneously equal. If ω is a cube root of unity with Im(ω)≠1, and if f(z)=az2+bz+c, then find the range of \|f(ω)\|.
A.	(0, ∞)
B.	[1, ∞)
C.	(√3/2, ∞)
D.	[1/2, ∞)
Answer» C. (√3/2, ∞)

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