>
数学
>
请问这个一元二次不等式怎么解啊
(x+1)(X-1)≤0
人气:456 ℃ 时间:2019-10-02 19:18:36
解答
(x+1)(X-1)≤0
∴x+1=0 x=1 ∴解为空集
x+1>=0 且 x-1=-1 x
推荐
怎么解一元二次不等式?
如何解一元二次不等式
解一元二次不等式组,谢谢啦
解一元二次不等式
怎样解一元二次不等式
已知船在静水中的速度为18km/h,渡河时,船头方向保持与河岸垂直,经过10分钟到达正对岸的下游600m,求水流的速度和河岸的宽度
若(mx-6y)与(x+3y)的积中不含xy项,试求m的值.
便携式酸度计电量不足时有什么反映
猜你喜欢
果园里有苹果树78棵,比梨树的3倍多6棵,比李树的4倍少10棵.
x加3的绝对值加根号3减2y等于0 x加2y的值为
When my friend Lesa was diagnosed(诊断)with cancer,I wanted to do something for her.31 on the first day of her treatments,
The ___ time of the plane will change because of the bad weather.(arrive)
I like to sing during the day.I always build my home in the tree.I often dance in the sky.
I will have a piano lesson next Friday Lily told me
他坐公交车去上学(用英文翻译) He( ) ( ) ( ) ( )school
自然数与整数有什么区别?
© 2024 79432.Com All Rights Reserved.
电脑版
|
手机版