Art of Problem Solving

2006 SMT/Algebra Problems/Problem 2: Revision history

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28 May 2012

  • curprev 07:3107:31, 28 May 2012 Admin25 talk contribs 1,291 bytes +1,291 Created page with "==Problem== Find the minimum value of <math> 2x^2+2y^2+5z^2-2xy-4yz-4x-2z+15 </math> for real numbers <math> x, y, z </math>. ==Solution== ===Solution 1=== Notice that <math> 2x..."