1.a=1时,(x-1)^2>0,解为x≠1;
2.a>1时,a(x-1)(x-1/a)>0,解为x>1或x<1/a;
3.0
0,解为x>1/a或x<1;
4.a<0时,-a(x-1)(x-1/a)<0,解为1/a
邮箱(quran1986@163.com)
1.a=1时,(x-1)^2>0,解为x≠1;
2.a>1时,a(x-1)(x-1/a)>0,解为x>1或x<1/a;
3.0
0,解为x>1/a或x<1;
4.a<0时,-a(x-1)(x-1/a)<0,解为1/a
邮箱(quran1986@163.com)