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1,alpha(1),alpha(2),..... alpha(9), are ...

`1,alpha_(1),alpha_(2),..... alpha_(9),` are the `10^(th)` roots of unity. The product `(2 alpha_(1)+1)(2 alpha_(2)+1)......(2 alpha_(9)+1)` equals a reduced rational number `(m)/(n)` the value of `m+n` is

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