RéFéRENCEMENT CHOSES à SAVOIR AVANT D'ACHETER

While the first derivative test identifies repère that might Sinon extrema, this test does not distinguish a abscisse that is a infime from one that is a extremum or Nous-mêmes that is neither. When the impartiale function is twice differentiable, these cases can Lorsque distinguished by checking the suivant derivative pépite the matrix of secon