函数y=In In (x-1)的定义域为
问题描述:
函数y=In In (x-1)的定义域为
答
In (x-1)>0及(x-1)>0
故:(x-1)>1
定义域为 x>2
函数y=In In (x-1)的定义域为
In (x-1)>0及(x-1)>0
故:(x-1)>1
定义域为 x>2