About: Quadratic irrational number

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dbo:description	математичне поняття (uk) иррациональный корень квадратного уравнения с целыми коэффициентами (ru) irrational root of a quadratic equation with integer coefficients (en)
dbo:wikiPageExternalLink	http://www.numbertheory.org/php/surd.html https://web.archive.org/web/20050324110521/http:/planetmath.org/encyclopedia/EIsIrrational.html
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rdfs:label	Quadratic irrational number (en) عدد غير كسري تربيعي (ar) Quadratisch irrationale Zahl (de) Irrationnel quadratique (fr) Irracional quadrático (pt) Квадратичная иррациональность (ru) Квадратична ірраціональність (uk) 二次無理數 (zh)
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