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\Huge\bfseries\boldmath Polynôme  $-2x^2+3x+4$
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\begin{itemize}
\item[\textbullet] Discriminant: \[ \Delta = 41 \]\item[\textbullet] Valeur exacte des racines: \[ \frac{-\sqrt{41}+3}{4} \qquad ; \qquad \frac{\sqrt{41}+3}{4} \]\item[\textbullet] Valeurs approchées des racines: \[ -0.850781059358 \qquad ; \qquad 2.35078105936 \]\item[\textbullet] Factorisation éventuelle: \[ \left(-x-\frac{\sqrt{41}-3}{4}\right) \left(2\,x+\frac{-\sqrt{41}-3}{2}\right) \]\item[\textbullet] Forme canonique: \[ \frac{41}{8}-2 \left(x-\frac{3}{4}\right)^{2} \]\item[\textbullet] Tableau de signes:
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\item[\textbullet] Parabole:
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\includegraphics{trinome.png}
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