olymmath

IMO 1960 Problem 2

  • Day 1

For what values of the variable xx does the following inequality hold: 4x2(1−2x+1)2<2x+9 ?\dfrac{4x^2}{(1-\sqrt{2x+1})^2}<2x+9 \ ?

Official text Transcription from AI-MO AoPS, checked word for word against the official paper. Quoted with source.

Official text: IMO 1960 official English paper, page 1.

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