当a≠0时,
(aX+1)(X-1)<0,
∴当-1/a<1,即a>0或a<-1时,-1/a
推荐
猜你喜欢
- 英语高手进,in surprise和with surprise,还有in delight和with delight的具体区别,诸如此类的
- 解关于x的不等式ax²-(a-1)x-1
- I __,so I didn"t know where I was.A.lost B.lose C.losing D.got lost 请简要说明原因,
- Everybody have different ______(hobby).是填hobbies吗?
- 数字填图游戏!数学建模题
- 实验用推论Δs=aT2 {Δs为连续相邻相等时间(T)内位移之差 aT2是什么啊.是平方还是二倍啊
- 一杯浓度为20%的糖水,倒出20%后又兑满水,现在的浓度是?
- M:We hope you enjoy your stay at the hotel.Here is your room key and by the way check out tome is twelve at noon.
