已知不等式
的解是![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb42b6ca3d3a193193b029249fc2f135.png)
(1)求a,b的值;
(2)求不等式
的解集.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65130902defb4c853e3b7e968e52b805.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb42b6ca3d3a193193b029249fc2f135.png)
(1)求a,b的值;
(2)求不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4877af9f03ea446225a2c8808f857ca.png)
更新时间:2023-12-20 11:04:05
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【推荐1】已知全集
,集合
,集合
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(1)求
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(2)求
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/860ebb6f76cd3cb9a265dfc233002a13.png)
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(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3744e71abf4b43e128eabea9181b712.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd9ee4df3cd0c5982eec8be19e136130.png)
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【推荐2】已知条件p:A={x|x2-(a+2)x+2a≤0},条件q:B={x|x2-5x+6≤0},当a为何值时.
(1)p是q的充分不必要条件;
(2)p是q的必要不充分条件.
(1)p是q的充分不必要条件;
(2)p是q的必要不充分条件.
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【推荐1】已知函数
.
(1)若不等式
的解集是
,求
的值;
(2)当
时,若不等式
对一切实数
恒成立,求
的取值范围;
(3)当
时,设
,若存在
,使得
成立,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/134041de38e10e600623318a14d8ded1.png)
(1)若不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/018857ec6e498113b3b12a730d9313da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c9a845e51ba5c12ec99975423deb347.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632244ea6931507f8656e1cc3437d392.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03837b3769eda7f0d3804cc5ad4a6d60.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b666663ce3537a634a3b427b418eb62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(3)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2d828749658cd888cb1616253ed1709.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29f3962dbbd3a9633497af70a1a08c54.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ac47aa9171eb54d29a4da9658b525cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
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【推荐2】已知一元二次不等式①:
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(1)若不等式①的解集为R,求实数k的取值范围;
(2)若不等式①的解集为
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f47df62e1db46200d36fdff1e011575.png)
(1)若不等式①的解集为R,求实数k的取值范围;
(2)若不等式①的解集为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3951b32a8f82d6e6dec3b429c905e515.png)
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