olymmath

IrMO 2017 Problem 9

  • Paper 2

Show that for all non-negative numbers a,ba,b , 1+a2017+b2017≥a10b7+a7b2000+a2000b101 + a^{2017} + b^{2017} \geq a^{10}b^{7} + a^{7}b^{2000} + a^{2000}b^{10} When is equality attained?

Dataset text AI-MO AoPS. Quoted with source.

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