Equação do 2º Grau Parte XII: Relações entre Coeficientes e Raízes Aula 3

Synopsis: continuing the study of relationships between the coefficients and the roots of an equation of the 2nd degree in this class present a method that allows us to calculate the sum of powers of the roots without us knowing what are the roots. At the end, we also present the resolution of an exercise.
Source: Portal of Mathematics.
URL: http://matematica.obmep.org.br/index.php/modulo/ver?modulo=25#