Controle 01 : continueté et dérivation
📅 November 11, 2025 | 👁️ Views: 646 | 📝 3 exercises | ❓ 14 questions
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This PDF covers maths exam for 2-bac-science students. It includes 3 exercises and 14 questions. Designed to help you master the topic efficiently.
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% Exercise 1
\printexo{1}{}{
\begin{enumerate}
\item Simplifier le nombre : \( A = \frac{\sqrt[3]{8^2} \times \sqrt{\sqrt[3]{\sqrt{2}}}}{\sqrt[4]{4} \times \sqrt{16}} \).
\item Mettre en ordre les nombres suivants : \(\sqrt{3}, \sqrt[3]{5}, \sqrt[12]{700} \)
\item Calculer les limites suivantes :
~$
\lim_{x \to 1} \frac{\sqrt[3]{x + 7} - 2}{x - 1}; \quad
\lim_{x \to +\infty} \sqrt[3]{x^3 + x^2 - x - 3} - 2x
$~
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\((E) : \sqrt[3]{x^2 - 1} = 2\) \quad;\quad
\((I) : \sqrt[4]{x - 2} < 1\).
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% Exercise 2
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Soit \( g \) la fonction définie sur \(\mathbb{R}\) par : \( g(x) = -x^3 - 3x - 1 \)
\begin{enumerate}
\item Montrer que la fonction \( g \) est strictement décroissante sur \(\mathbb{R}\).
\item
\begin{enumerate}
\item[(a)] Montrer que l'équation \( g(x) = 0 \) admet une solution unique \(\alpha \in \mathbb{R}\).
\item[(b)] Vérifier que : \(-1 < \alpha < 0\)
\item[(c)] Montrer que : \(\alpha = -\sqrt[3]{-3\alpha - 1}\)
\end{enumerate}
\item Déterminer le signe de \( g(x) \) sur \(\mathbb{R}\).
\item On considère la fonction \( h \) définie sur \(\mathbb{R}\) par :
~$
\begin{cases}
h(x) = g(x) - \alpha & ; \quad x \leq \alpha \\
h(x) = \sqrt[3]{-3x - 1} & ; \quad x > \alpha
\end{cases}
$\\
Montrer que \( h \) est continue en \(\alpha\).
\end{enumerate}
}
% Exercise 3
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Soit \( f \) une fonction numérique définie par :
~$ f(x) = x + 3 - 2\sqrt{x - 2} $~
\begin{enumerate}
\item Déterminer \( D_f \) et calculer
~$ \lim_{x \to +\infty} f(x) $~
\item Montrer que la fonction \( f \) est continue sur \([2, +\infty[\)
\item Étudier la dérivabilité de \( f \) à droite en 2 ; puis interpréter le résultat géométriquement
\item
\begin{enumerate}
\item[(a)] Montrer que :
~$ f'(x) = \frac{x - 3}{\sqrt{x - 2}(\sqrt{x - 2 }+ 1)} \quad \forall x \in ]2, +\infty[ $~
\item[(b)] Dresser le tableau des variations de la fonction \( f \)
\end{enumerate}
\item On considère la fonction \( g \) la restriction de \( f \) sur l'intervalle \( I = [3, +\infty[\)
\begin{enumerate}
\item[(a)] Montrer que \( g \) admet une fonction réciproque \( g^{-1} \) définie sur \( J \) à déterminer
\item[(b)] En déduire les variations de la fonction \( g^{-1} \)
\item[(c)] Calculer \( g(11) \) puis déduire \( g^{-1}(8) \)
\item[(d)] Montrer que \( g^{-1} \) est dérivable en 8 ; puis Calculer \( (g^{-1})'(8) \)
\end{enumerate}
\item Déterminer l'expression \( g^{-1}(x) \) pour tout \( x \in J \)
\end{enumerate}
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\normalsize{ \vskip 3pt \hrule height 3pt \vskip 5pt \RL{\arabicfont ﴿بِسْمِ ٱللَّهِ ٱلرَّحْمَـٰنِ ٱلرَّحِيمِ قُلْ هُوَ ٱللَّهُ أَحَدٌ (1)• ٱللَّهُ ٱلصَّمَدُ (2)• لَمْ يَلِدْ وَلَمْ يُولَدْ (3)• وَلَمْ يَكُن لَّهُۥ كُفُوًا أَحَدٌۢ (4)• ﴾ (الإخلاص ) }}
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Frequently Asked Questions
What chapters or courses does this exam cover?
This exam covers: اتصال دالة عددية, اشتقاق دالة عددية و دراسة الدوال. It is designed to test understanding of these topics.
How many questions are in this exam?
The exam contains approximately 14 questions.
Is this exam aligned with the official curriculum?
Yes, it follows the 2-bac-science maths guidelines.
What topics are covered in this course?
The course "Continuité d'une Fonction Numérique" covers key concepts of maths for 2-bac-science. Designed to help students master the curriculum.
Is this course suitable for beginners?
Yes, the material is structured to be accessible while providing depth for advanced learners.
Are there exercises or practice problems?
This resource includes 3 exercise(s) to reinforce learning.
Does this course include solutions?
Solutions are available separately.