If - 1- - 2- - - n-1 are the nth roots of unity then 1- 1 1- 2 - 1- n-1 -

The correct option is B n x^n 1=(x 1)(x α_1)(x α_2)...(x α_n 1) x^n 1x 1=(x α_1)(x α_2)...(x α_n 1) 1+x+x^2+...x^n 1=(x α_1)(x α_2)...(x α_n 1) S ...

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Properties of nth Root of a Complex Number

If α 1, α...

Question

If $α_{1}$ , $α_{2}$ , .... $α_{n - 1}$ are the nth roots of unity then $(1 - α_{1}) (1 - α_{2}) . . . (1 - α_{n - 1}) =$

-1

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none of these

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Similar questions

1, α_{1}, α_{2}, α_{3}, . . . . ., α_{n - 1}

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