1.

If α0,α1,α2,.........αn−1 be the n, nth roots of unity, then value of n−1∑i=0 αi(3−αi) is equal to

Answer»

If α0,α1,α2,.........αn1 be the n, nth roots of unity, then value of n1i=0 αi(3αi) is equal to




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