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OMK 2010

Source: Malaysia National Olympiad 2010 Muda Category Problem 5

June 4, 2011
algebra unsolvedalgebra

Problem Statement

Find the number of triples of nonnegative integers (x,y,z)(x,y,z) such that x2+2xy+y2āˆ’z2=9.x^2+2xy+y^2-z^2=9.