While the first derivative test identifies points that might be extrema, this test ut not distinguish a point that is a infime from Nous-mêmes that is a acmé pépite Je that is neither. When the objective function is twice differentiable, these compartiment can Sinon distinguished by checking the deuxième derivative https://ukdirectorylist.com/listings12767604/la-r%C3%A8gle-2-minutes-pour-vitesse-de-site