已知
,
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b4b5c14cf4dc05104b65a896e75f343.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc5272d68f9853ffb42ef267cc40ca0b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66c697ab83fb9463b27d3c9458117c2d.png)
更新时间:2022-08-31 20:50:17
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【知识点】 利用不等式求值或取值范围解读
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【推荐2】已知
,
,分别求
(1)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2122e3f1e76a635e58e4d54aa594c552.png)
(2)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fbcb79c362bddb898f8a9d02a5f5d085.png)
(3)
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f1b5a8d36a2c51143d30ec71ecfc442.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a17f0ea0bb3e6e13998dbcd91ddb1948.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2122e3f1e76a635e58e4d54aa594c552.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fbcb79c362bddb898f8a9d02a5f5d085.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9f2416d1f75a45a314331146550832e.png)
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