product of all line segments joining solutins of nth root of unity

the result is the value n.can somebody please help me prove this result.thanks in advance!(Rofl)

Re: product of all line segments joining solutins of nth root of unity

Maybe I'm missing something here, but how does one take the product of line segments?

Re: product of all line segments joining solutins of nth root of unity

Quote:

Originally Posted by

**roninpro** Maybe I'm missing something here, but how does one take the product of line segments?

I guess he means "product of lengths of all line segments...".