January 2023 0 40 Report
Soit a,b et c des nombres fractionnaires tels que :
(b×c)/a=1 ; (c×a)/b=2 ; (a×b)/c=3
Calculer a^(2 )+b^2+c^2
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Responda
Responda
Responda
n un entier naturel non nul.Montrer que :[tex]\frac{1}{2} \leq \frac{1}{n+1} +\frac{1}{n+2} +\frac{1}{n+3} +...+\frac{1}{n+n} \ \textless \ 1[/tex]
Responda
n est un entier naturel. Pour quelle valeur de n : [tex]\sqrt{n+\sqrt{n+7}}[/tex] est un entier
Responda

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