If \( \omega(\neq 1) \) is a cube root of unity, then \( \left(1-\omega+\omega^{2}\right)\left(1...

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If \( \omega(\neq 1) \) is a cube root of unity, then \( \left(1-\omega+\omega^{2}\right)\left(1-\omega^{2}+\omega^{4}\right)\left(1-\omega^{4}+\omega^{8}\right) \ldots \) upto \( 2 n \) factors, is
(a) \( 2^{n} \)
(b) \( 2^{2 n} \)
(c) 0
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