已知不等式
的解集为
.
(1)求实数
,
的值;
(2)解关于
的不等式:
为常数,且
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a557c70b881ae05e44b108bb4d617cfc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/640f4732df2e4b84c5e98b47e37d4e65.png)
(1)求实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
(2)解关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09fad82fea6d21c2105bc6a733ed2e7c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71ef60e30d06281f32961b558d35ad4b.png)
更新时间:2024-01-06 21:40:40
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【推荐1】已知函数
,
.
(1)若
的解集为
,求a的值;
(2)求关于x的不等式
的解集.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82d1fd7ddb26de95a35c5f08a4c7fadf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a71baf6217604517fd98fa97d0f55b43.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27f935fa5d0ae1b208aff21aa468ecf8.png)
(2)求关于x的不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c73a98c1b3504e09bfbe0db849b0d24.png)
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【推荐2】已知f(x)=x2-
x+1.
(1)当a=
时,解不等式f(x)≤0;
(2)若a>0,解关于x的不等式f(x)≤0.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92f2f68b4acde7e7de6807b24775d2f3.png)
(1)当a=
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
(2)若a>0,解关于x的不等式f(x)≤0.
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解题方法
【推荐1】已知函数
.
(1)若不等式
的解集为空集,求
的取值范围.
(2)若
,
的解集为
,求
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81ad5cc869ac38f1afa554aac6eee3a7.png)
(1)若不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6acb0f1ac694dd177e99fc385f23318.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58b140e221ddf537b8964fff8557cca0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a71baf6217604517fd98fa97d0f55b43.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dbad99bcb90bd241a5f5b58c43c780a7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4741556c029b5811318746d837cf246.png)
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【推荐2】(1)解关于x的不等式:
.
(2)若关于
的不等式
的解集为
,求不等式
的解集.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d47b51beafa3f6d41e0834ed883b894.png)
(2)若关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73b4566fa284a682e64b25fdf4473314.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d93614e46266daac998cd98bfd95bfbc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9be047ccdb152b62f4d892d307afbd37.png)
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