If 1, w, w^(2) are three cube roots of u...

If `1, w, w^(2)` are three cube roots of unity, then `(1 - w+ w^(2)) (1 + w-w^(2))` is _______

A

w

B

`w^2`

C

`-w`

D

0

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The correct Answer is:

D

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