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

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

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