已知函数
的值域为
.
(1)若
,求
,
的值;
(2)证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82d294828146eb7e9df1ecf90473a3b6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7dcdd87d593df4a5c5e98d47fe1cfa6.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f22fec5a381ae8aca93d876e54c79de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
(2)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e093a99acc5fdb85122faa2923ed8d0.png)
更新时间:2020-03-30 12:15:41
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