MathDB
x^4 = 2x^2 + [x] (HOMC 2015 J Q7)

Source:

August 6, 2019
floor functionalgebra

Problem Statement

Solve equation x4=2x2+⌊x⌋x^4 = 2x^2 + \lfloor x \rfloor, where ⌊x⌋ \lfloor x \rfloor is an integral part of xx.
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