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Question 1 of 10
1. Question
Résolvons l’équation suivante: $\log _{2 x}(4 x)+\log _{4 x}(16 x)=4$
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Question 2 of 10
2. Question
Soit $(a ; b) \in\left(\mathbb{R}_{+}^{*}\right)^{2}$. Simplifier le réel :
$X=\ln \left(a b^{2}\right)-\ln \sqrt[3]{a^{2} b^{5}}+\ln \frac{a}{\sqrt{b}}-\ln \sqrt[4]{a^{2} b^{6}}$
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Question 3 of 10
3. Question
Résoudre dans $R$ l’équation $2 \ln x=1$
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Question 4 of 10
4. Question
Résoudre dans $R$ l’équation $\ln (2 x-1)+\ln (x-4)=2 \ln 2$
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Question 5 of 10
5. Question
Résoudre dans $R$ l’inéquation $\ln \left(3 x^{2}-x\right) \leq \ln x+\ln 2$
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Question 6 of 10
6. Question
Résoudre dans $R$ l’inéquation $-(\ln x)^{2}-\ln x+6 \geq 0$
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Question 7 of 10
7. Question
Résoudre dans $\mathbb{R}^{2}$ le système $\left\{\begin{array}{l}\ln (x) \cdot \ln (y)=-10 \\ \ln x+\ln y=3\end{array}\right.$
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Question 8 of 10
8. Question
Calculer $\lim _{x \rightarrow-\infty}\left(x+\ln \left(x^{4}+5\right)\right)$
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Question 9 of 10
9. Question
Calculer $\lim _{x \rightarrow+\infty}\left(x^{2}+1\right) \ln \left(1+\frac{1}{x^{3}}\right)$
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Question 10 of 10
10. Question
Calculer $\lim _{x \rightarrow 1} \frac{\ln x}{x^{3}-1}$
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