(x-2)^2(x-3)/(x+1)<0(x-2)^2(x-3)(x+1)<0(x-3)(x+1)<0 且X≠2所以 -1
等价于(x-2)^2*(x-3)(x+1)<0等价于x≠2且(x-3)(x+1)<0(-1,2)∪(2,3)