Parry King
06/07/2024 · Elementary School
Déterminer \( D_{f} \) des fonctions \( f \) suivantes puis les limites aux bornes de \( D_{f} \). 1) \( f(x)=\frac{x^{2}+3}{1-x} \)
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Le domaine de définition \( D_{f} \) de \( f(x) = \frac{x^{2}+3}{1-x} \) est \( \mathbb{R} \setminus \{1\} \). Les limites aux bornes de \( D_{f} \) sont : \( \lim_{x \to -\infty} f(x) = +\infty \), \( \lim_{x \to +\infty} f(x) = -\infty \), \( \lim_{x \to 1^{-}} f(x) = -\infty \), \( \lim_{x \to 1^{+}} f(x) = +\infty \).
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