Variations avec logarithme 2

Calculer la dérivée puis construire le tableau de variations de la fonction $f$ définie sur $];+\mathrm{\infty }[$ par

.

f'(x) =

x
f'(x)			0
f(x)

Donner soit les valeurs exactes, soit des valeurs approchées en gardant au moins 5 chiffres significatifs.

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• Description: exercices sur les variations de fonctions (polynômes, logarithmes et exponentielles). Plateforme exercices academie Versailles
• Keywords: Euler, mathematiques, Versailles, analysis, derivative,function_variation,polynomials,exponential,logarithm