Skip to content / Đến nội dung
ThichHocToan.com

MathNet 2009-part-05 — 172 problems (EN–VI) Question 56

Math Olympiad Vault · MathNet 2009-part-05 — 172 problems (EN–VI)

Question 56

The roots of $z^{6}+z^{4}+z^{2}+1=0$ are the vertices of a convex polygon in the complex plane. Find the sum of the squares of the side lengths of the polygon.