Q 2583667547.     If `alpha_0 ,alpha_1 , alpha_2 , ... ,alpha_(n-1)` are the n,nth roots of the unity, then find the value of `sum_(i = 0)^(n - 1) (alpha_i)/(2 - alpha _i)`.

A

` n/(2^n - 1)`

B

` n/(2^n + 1)`

C

` 2n/(2^n - 1)`

D

None of these

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