If \( 1, z_{1}, z_{2}, z_{3}, \ldots, z_{n-1} \) be the \( n, n \)t... VIDEO
If \( 1, z_{1}, z_{2}, z_{3}, \ldots, z_{n-1} \) be the \( n, n \)th roots of unity and \( \omega \) be a non-real complex cube root of unity, then
\( \mathrm{P} \) \( \prod_{r=1}^{n-1}\left(\omega-z_{r}\right) \) can be equal to
W
(a) \( 1+\omega \)
(b) \( -1 \)
(c) 0
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