If the cube roots of unity be \[1,\omega ,{{\omega }^{2}},\] then the – McqOptions

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1.	If the cube roots of unity be \[1,\omega ,{{\omega }^{2}},\] then the roots of the equation \[{{(x-1)}^{3}}+8=0\]are [IIT 1979; MNR 1986; DCE 2000; AIEEE 2005]
A.	\[-1,\,1+2\omega ,\,1+2{{\omega }^{2}}\]
B.	\[-1,\,1-2\omega ,\,1-2{{\omega }^{2}}\]
C.	\[-1,\,-1,\,-1\]
D.	None of these
Answer» C. \[-1,\,-1,\,-1\]

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