MathDB
Find the sum of the non-real roots

Source: India National Olympiad 2003, Problem 3

October 10, 2005
inequalitiesfunctionalgebra unsolvedalgebra

Problem Statement

Show that 8x416x3+16x28x+k=08x^4 - 16x^3 + 16x^2 - 8x + k = 0 has at least one real root for all real kk. Find the sum of the non-real roots.