If \[\omega \] is a cube root of unity, then \[(1+\omega -{{\omega }^{2}})\] \[(1-\omega +{{\omega }^{2}})\] = [MNR 1990; MP PET 1993, 2002]

If \[\omega \] is a cube root of unity, then \[(1+\omega -{{\omega }^{

1.	If \[\omega \] is a cube root of unity, then \[(1+\omega -{{\omega }^{2}})\] \[(1-\omega +{{\omega }^{2}})\] = [MNR 1990; MP PET 1993, 2002]
A.	1
B.	0
C.	2
D.	4
Answer» E.

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If \[\omega \] is a cube root of unity, then \[(1+\omega -{{\omega }^{2}})\] \[(1-\omega +{{\omega }^{2}})\] = [MNR 1990; MP PET 1993, 2002]

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