If , , are the roots of equation x3 3x2+3x+7=0 and is cube root of – McqOptions

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1.	If , , are the roots of equation x3 3x2+3x+7=0 and is cube root of unity, then evaluate ( -1)/( -1)+( -1)/( -1)+( -1)/( -1).
A.
B.	<sup>2</sup>
C.	3
D.	3 <sup>2</sup>
Answer» E.

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