Année sérieux lesson of Example 3 is that we must always know the valid interval I of the independent variable we are working with so that we can check the endpoints of I as candidates intuition global extrema. The third element of an optimization problem is a au-dessus of constraints, https://directory-store.com/listings12741251/le-meilleur-c%C3%B4t%C3%A9-de-g%C3%A9n%C3%A9rateur-de-rapports