1 . 已知函数
,若方程
有四个不同的解
,
,且
,则a的取值范围是_____________ ,
的取值范围是_____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b7cf1f2c6f67e2cab17070879a97bd5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/338316b0fe50fdea0f2f75aec4c990dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05b8ec9d4206ea66a02de5c4a1e1e911.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/365b38a7689a8eede6820cd6f1fe952b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3604274ad6707a906eba371a9e884144.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4695051d4a3df4cadf89bbad603c31da.png)
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2 . 已知函数
,若
互不相等,且
,则
的取值范围是____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f3785e7736e521518808d120f435a9d8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d10449bc77d692a7270e0f20a68cdf2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f3f0c5c26cab2488bd50df88d5e5d760.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6bb99e2251df1777c5288d603170bd2.png)
您最近一年使用:0次