minoration


  • Math&Maroc

    Bonjour,

    soient aa et bb deux entiers non nuls tels que a287\vert a\vert\leq 287 et b288\vert b\vert\leq 288. Montrer que :

    a3+b811438.\left\vert a\sqrt{3}+b\sqrt{8}\right\vert \succ \dfrac{1}{1438}.

    MA.


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