on

来源：学生作业帮助网 编辑：作业帮 时间：2024/05/03 08:33:27
on

on
on
 

on
x-2在分母,不等于0
所以(x-2)^2>0
两边乘以(x-2)^2
不等号不改向
a(x-1)(x-2)>(x-2)^2
(x-2)(ax-a-x+2)>0
(x-2)[(a-1)x-(a-2)]>0
a>2
a-1>0
所以(x-2)[x-(a-2)/(a-1)]>0
(a-2)/(a-1)=(a-1-1)/(a-1)=1-1/(a-1)
a>2,a-1>1
所以0

on ON on on on on on on on on on on on on, on on on on