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[" If "z(1),z(2)...z(n-1)" are nuth root...

[" If "z_(1),z_(2)...z_(n-1)" are nuth roots of "],[" unity then "(1-z_(1))(1-z_(2))*(1-z_(n-1))=?],[" A) "0],[" B) "n-1],[" C) "h],[" D) "1]

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