極きょく値ちきょくちじ字FuriganaMeanings1nounextremum; extreme valuemathematics›Mathematical term for a maximum or minimum value of a function.この関かん数すうの極きょく値ちを求もとめなさい。Find the extremum of this function.極きょく値ちは微び分ぶんを使つかっ