grandes-ecoles 2023 Q9

grandes-ecoles · France · mines-ponts-maths1__psi Applied differentiation Convexity and inflection point analysis

Study the convexity of the function $t \mapsto \ln \left( 1 + \mathrm { e } ^ { t } \right)$.

Study the convexity of the function $t \mapsto \ln \left( 1 + \mathrm { e } ^ { t } \right)$.