y=loga(x-1)(a>0且a≠1)过定点_.

问题描述:

y=loga(x-1)(a>0且a≠1)过定点______.

当x=2时,无论a取何值,y恒等于0,
故函数y=loga(x-1)(a>0且a≠1)过定点(2,0)
故答案为 (2,0)