Résoudre l'équation suivante : $$-x^2+7x-1=0$$

{ $$\frac{7+\sqrt[]{45}}{2}$$ ; $$\frac{7-\sqrt[]{45}}{2}$$ }

{ $$-\frac{\sqrt[]{7}}{4}+2$$ ; $$\frac{\sqrt[]{7}}{8}-1$$ }

Résoudre l'inéquation suivante : $$\frac{x^2+3x-10}{-x^2+7x-1}\ge0$$

[-5 ; $$\frac{7-\sqrt[]{45}}{2}$$ [ ⋃ [2 ; $$\frac{7+\sqrt[]{45}}{2}$$ [

[-4 ; $$\frac{7-\sqrt[]{45}}{2}$$ ] ⋃ [ $$\frac{7+\sqrt[]{45}}{2}$$ ; 10]

[-∞ ; -5] ∪ [ $$\frac{7-\sqrt[]{45}}{2}$$ ; 2] ⋃ ] $$\frac{7+\sqrt[]{45}}{2}$$ ; +∞]

Dans ce triangle rectangle, combien vaut $$x$$ environ ?

Aucune des trois autres propositions ne se rapproche du résultat

Dans le triangle suivant, que vaut l'angle $$\overline{ACB}$$ environ ?

Aucune des trois autres propositions ne se rapproche du résultat

Programme 1ère - Janvier

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Programme 1ère - Janvier

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Mathematics

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11th Grade

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Hard

Cédric Alpou

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