1.

Let \[x=\alpha +\beta ,\,y=\alpha \omega +\beta {{\omega }^{2}},\,z=\alpha {{\omega }^{2}}+\beta \omega ,\,\omega \] is an imaginary cube root of unity. Product of xyz is  [Orissa JEE 2005]

A. \[{{\alpha }^{2}}+{{\beta }^{2}}\]
B. \[{{\alpha }^{2}}-{{\beta }^{2}}\]
C. \[{{\alpha }^{3}}+{{\beta }^{3}}\]
D. \[{{\alpha }^{3}}-{{\beta }^{3}}\]
Answer» E.


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