已知函数
,且
.
(1)求
的值;
(2)判断函数
的奇偶性;
(3)判断
在
上的单调性并加以证明.
![](https://img.xkw.com/dksih/QBM/2016/1/8/1572424759541760/1572424765358080/STEM/c102599672384ad9a5a51f9f4e09c821.png)
![](https://img.xkw.com/dksih/QBM/2016/1/8/1572424759541760/1572424765358080/STEM/f234fb44ec874f579318b54e56ff1c42.png)
(1)求
![](https://img.xkw.com/dksih/QBM/2016/1/8/1572424759541760/1572424765358080/STEM/ac3f903331dc4e318024eea1b1ccdde8.png)
(2)判断函数
![](https://img.xkw.com/dksih/QBM/2016/1/8/1572424759541760/1572424765358080/STEM/4eefbf430d374939830e44ebfcd0be91.png)
(3)判断
![](https://img.xkw.com/dksih/QBM/2016/1/8/1572424759541760/1572424765358080/STEM/4eefbf430d374939830e44ebfcd0be91.png)
![](https://img.xkw.com/dksih/QBM/2016/1/8/1572424759541760/1572424765358080/STEM/a4bf534cf4da46c08c4678481b28288e.png)
更新时间:2016-12-04 00:09:17
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解题方法
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