Find the first derivative of y = x^(x - 2)找到y = x ^(x - 2)的一阶导数y=x^(x-2)两边取对数lny=lnx^(x-2)lny=(x-2)lnx因为y是关于x的函数,两边对x求导左边因为y是x的函数,根据复合函数求导,得y'/y右边对x求导=(x...