(1)解关于
的不等式
;
(2)已知
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/747998a4e6333256ae0db42976b8df90.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d33da711e50e96568facb18cef27165.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa2b7ea83c42b08f7fa98f40b7ceb797.png)
更新时间:2023-08-05 10:27:30
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【推荐1】设集合![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6fe296a02f030f361c9dc7657eae5cd0.png)
(1)求集合
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(1)求集合
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9deeb02676b13db2735699803f8c601.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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【推荐1】已知
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