January 2021 1 178 Report
Salut,

Je n'arrive pas à trouver les réels positifs x tels que la somme des 2 carrés soit supérieur à 10.

J'ai trouvé 2x(x-4) > -6 ou
2x²-8x+16 > 10.

Voici la figure ci-dessous, merci
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