MathDB
Nordic MC 2006 Q2

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March 3, 2013
quadraticsalgebraalgebra unsolved

Problem Statement

Real numbers x,y,zx,y,z are not all equal and satisfy x+1y=y+1z=z+1x=kx+\frac{1}{y} = y + \frac{1}{z} = z + \frac{1}{x}=k. Find all possible values of kk.