If \[\omega \] is a complex cube root of unity, then \[(x-y)(x\omega -y)\] \[(x{{\omega }^{2}}-y)=\]

If \[\omega \] is a complex cube root of unity, then \[(x-y)(x\omega -

1.	If \[\omega \] is a complex cube root of unity, then \[(x-y)(x\omega -y)\] \[(x{{\omega }^{2}}-y)=\]
A.	\[{{x}^{2}}+{{y}^{2}}\]
B.	\[{{x}^{2}}-{{y}^{2}}\]
C.	\[{{x}^{3}}-{{y}^{3}}\]
D.	\[{{x}^{3}}+{{y}^{3}}\]
Answer» D. \[{{x}^{3}}+{{y}^{3}}\]

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If \[\omega \] is a complex cube root of unity, then \[(x-y)(x\omega -y)\] \[(x{{\omega }^{2}}-y)=\]

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