If \[\alpha \] and \[\beta \] are imaginary cube roots of unity, then the value of \[{{\alpha }^{4}}+{{\beta }^{28}}+\frac{1}{\alpha \beta }\],is [MP PET 1998]

If \[\alpha \] and \[\beta \] are imaginary cube roots of unity, the

1.	If \[\alpha \] and \[\beta \] are imaginary cube roots of unity, then the value of \[{{\alpha }^{4}}+{{\beta }^{28}}+\frac{1}{\alpha \beta }\],is [MP PET 1998]
A.	1
B.	\[-1\]
C.	0
D.	None of these
Answer» D. None of these

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If \[\alpha \] and \[\beta \] are imaginary cube roots of unity, then the value of \[{{\alpha }^{4}}+{{\beta }^{28}}+\frac{1}{\alpha \beta }\],is [MP PET 1998]

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