Illus 3 125 Ans: 1 How Illustration 3 125 If n ≥ 3 and 1, α1, - Maths -

Question

Illus 3 125
Ans: 1
How?

Illustration 3 125 If n ≥ 3 and 1,
α 1 , α2, , α
n–1, are nth roots of unity,
then find the sum ∑ α i α j 1 ≤ i < j ≤ n
- 1

Chandan chaurasiya · Accepted Answer

Dear student ï¿¼<img alt="" src=
"https://s3mn%20mnimgs%20com/img/shared/content_ck_images/ck_5d3072ad69f57%20jpg">regards

Illus 3.125 Ans: 1. How? Illustration 3.125. If n ≥ 3 and 1, α 1 , α2, ..., α n–1, are nth roots of unity, then find the sum ∑ α i α j . 1 ≤ i < j ≤ n - 1