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  • ...ch that <math>\dfrac{r^3 + 5r + 7}{r^3 + 5r + a} = -2</math>. (Proposed by KingofMath101) ...c^2d^2)(a^2c^2 + b^2d^2)(a^2d^2 + b^2c^2) \geq 8abcd</math> . (Proposed by KingofMath101)
    15 KB (2,444 words) - 21:46, 1 January 2012