February 2021 0 37 Report
Soit A(x) = - 3 22 +242-45 1/ Résoudre l'équation - 3x2 + 24 x - 45 = 0.
2/ Etudier le signe de A(x).
3/Donner l'intervalle dans lequel on a A(x) <0.

J’aimerais avoir de l’aide svp
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