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If omega is a non-ral cube root of unity...

If `omega` is a non-ral cube root of unity then the value of `(a+b) (a+b omega) (a+b omega ^(2))` is-

A

`a^(3)-b^(3)`

B

0

C

`a^(2) +b^(2)`

D

`a^(3)+b^(3)`

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The correct Answer is:
D
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