## Problem of the Week 1182## A Power Sum PuzzleSuppose a, b, c, d are complex numbers such that
a + b + c + d = 1 What is a Source: Due to Michael Elgersma and Stan Wagon, extending an old chestnut involving three variables and 3, 5, 7 on the right side. © Copyright 2014 Stan Wagon. Reproduced with permission. |

8 June 2014