Niveau 3ème. 3 minis exos sur les racines en dm pour demain merci c'est urgent !.... Pergunta de ideia declotytilde

June 2021 1 107 Report

Niveau 3ème. 3 minis exos sur les racines en dm pour demain merci c'est urgent !

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slyz007

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$D=(2-3\sqrt{5})(15+2\sqrt{5})=30+4\sqrt{5}-45\sqrt{5}-6*5$
$D=-40 \sqrt{5}$

$F=( \sqrt{2} - \sqrt{5})^{2}=2-2* \sqrt{2} \sqrt{5}+5=7-2 \sqrt{10}$

$H=(2 \sqrt{3}+4)(2 \sqrt{3}-4)=4*3-16=-4$

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