求一个函数的极大值 通常用的方法是___ The usual way to find the maximum of a function is___
已帮助 人
求一个函数的极大值，通常用的方法是___ The usual way to find the maximum of a function is___
A.一阶导数等于零，二阶导数小于零； The first derivative is zero, the second derivative is less than zero;
B.一阶导数等于零，二阶导数大于零； The first derivative is zero, the second derivative is greater than zero;
C.一阶导数等于零，二阶导数等于零； The first derivative is zero, the second derivative is zero;
D.一阶导数等于零; The first derivative is zero;
回答
共1条回复-
正确