kurassyuのプロフィール

二次関数y=ーx2乗＋４xー３kは最大値１をもつ。このとき、定数kの値を求めよ。 よろしくお願い致します。

For travelling benefit registration of married trainees, please submit 1 copy of spouse's passport, marriage certificate and parents or parents-in-law's passport to Service team. you can nominate a maximum of 2 parents or parents-in law to enjoy the travel benefits.