已知关于x的不等式
.
(1)当
时,解上述不等式;
(2)当
时,解上述关于x的不等式.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/750ef98064c7cb9b673fca8003c15dbb.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
更新时间:2023-12-25 13:50:50
|
【知识点】 解不含参数的一元二次不等式解读
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解答题-问答题
|
容易
(0.94)
【推荐1】(1)已知集合
,
,求集合B;
(2)已知集合
;
,
,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c49dbe7dc83ed32934023f76224fbb13.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fdbbe46a98a8fdebfc46fcbc45dc88e8.png)
(2)已知集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/74b9fa3e77e9eaa71cf0a51bb15e49d7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b0132e30b0b2afbe4b2fa09bd5d135e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb395682c90fe4a41d8fea134a99370e.png)
您最近一年使用:0次
解答题-问答题
|
容易
(0.94)
名校
【推荐2】设
:
,
:
.
(1)若命题“
,
是真命题”,求
的取值范围;
(2)若
是
的充分不必要条件,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42c4c6ca3b37ca4db8bc64b62d8d82f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8c43bb7482336a28d9a8a9584bc8f33.png)
(1)若命题“
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f5e14f6464b4aeadb50f60b75d332b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次