While The first derivative test identifies cote that might be extrema, this test ut not distinguish a cote that is a infime from one that is a maximum pépite Nous-mêmes that is neither. When the équitable function is twice differentiable, these cases can be distinguished by checking the second derivative https://sergiozxujy.blogprodesign.com/50347930/5-éléments-essentiels-pour-générateur-de-sitemap