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Added diophantine-equations and k3-surfaces tags

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edited Apr 18, 2012 at 2:18

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nt.number-theory diophantine-equations k3-surfaces

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asked Apr 17, 2012 at 17:56

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Symmetric functions on three parameters being perfect squares

Is it possible for $x+y+z, xy+yz+zx$, and $xyz$ to be perfect squares at the same time for positive integer values of $x,y,z$?

nt.number-theory