If n ≥ 3 and 1, dy, O2, ... , On – 1 are nth roots of unity, then find the sum Σαρα, 1
If n ≥ 3 and 1, dy, O2, ... , On – 1 are nth roots of unity, then find the sum Σαρα, 1
Chapter8: Sequences, Series,and Probability
Section8.2: Arithmetic Sequences And Partial Sums
Problem 6ECP: Find the sum of the integers (a) from 1 to 35 and (b) from 1 to 2N.
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