KnowraInterior extremum theoremLinked fromLinked fromThe 4 pages that link to Interior extremum theorem, each with the reason it gives.All 4Related 3Compared with 1Rolle's theoremRelated: It turns an interior extremum into the zero derivative required by the conclusion.Second derivative testRelated: It explains why stationary points are examined before applying the second-derivative criterion.Maximum and minimumRelated: It explains why stationary points are candidates for differentiable interior extrema.