已知函数
.
(1)求函数
定义域;
(2)设
,求
值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2fba1fcc750a54b765bb4da6c947149b.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98b6f0a456ed42616e56452a560a44f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72d69f5d4d9fb7416686d2f6aa813c18.png)
更新时间:2020-12-25 10:50:16
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