If ω is a nonreal cube root of unity then the expression (1-ω)(1-ω^2)(1+ω^4)(1+ω^8) is equal to (...

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If ω is a nonreal cube root of unity then the expression
(1-ω)(1-ω^2)(1+ω^4)(1+ω^8) is equal to
(a) 0
(b) 3
(c) 1

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