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Discussion Response Post to: Inequality

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Prove that for all real x, we have $rac{y^2 -x^2}{2x^2+1} + rac{z^2-y^2}{2y^2+1} + rac{x^2-y^2}{2z^2+1} ge 0$

Sorry, last term numerator is x²-z²

(This after I thought i had proof-read it twice )

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