MathDB
Bundeswettbewerb Mathematik 2008 equation

Source: Germany Bundeswettbewerb Mathematik 2008, Round 2, Problem 1

September 7, 2008
inequalitiesalgebra unsolvedalgebra

Problem Statement

Determine all real x x satisfying the equation \sqrt[5]{x^3 \plus{} 2x} \equal{} \sqrt[3]{x^5\minus{}2x}. Odd roots for negative radicands shall be included in the discussion.