Difference between revisions of "2022 SSMO Team Round Problems/Problem 10"

(Created page with "==Problem== If <math>p, q, r</math> are the roots of the polynomial <math>x^3-2x^2-4</math>, find<cmath>(p^3+qr)(q^3+pr)(r^3+pq).</cmath> ==Solution==")
 
(Problem)
Line 1: Line 1:
 
==Problem==
 
==Problem==
If <math>p, q, r</math> are the roots of the polynomial <math>x^3-2x^2-4</math>, find<cmath>(p^3+qr)(q^3+pr)(r^3+pq).</cmath>
+
If <math>\alpha, \beta, \gamma</math> are the roots of the polynomial <math>x^3-2x^2-4</math>, find <cmath>(\alpha^3+\beta\gamma)(\beta^3+\gamma\alpha)(\gamma^3+\alpha\beta).</cmath>
  
 
==Solution==
 
==Solution==

Revision as of 11:15, 25 December 2023

Problem

If $\alpha, \beta, \gamma$ are the roots of the polynomial $x^3-2x^2-4$, find \[(\alpha^3+\beta\gamma)(\beta^3+\gamma\alpha)(\gamma^3+\alpha\beta).\]

Solution