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If ω is an imaginary cube root of unity, then (1 + ω – ω^2)^7 is equal to

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 If ω is an imaginary cube root of unity, then (1 + ω – ω2)7 is equal to 

(A) 128 ω

(B) – 128ω

(C) 128 ω2

(D) – 128ω2

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Correct option – 128ω2

Explanation:

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