MathDB
2012 preRMO p18, x^2 -7[x] +5=0, with floor function

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June 17, 2019
algebrafloor functionfunction

Problem Statement

What is the sum of the squares of the roots of the equation x2−7⌊x⌋+5=0x^2 -7 \lfloor x\rfloor +5=0 ?
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