已知函数
,
(
且
).
(1)若函数
在
上单调递减,求实数
的取值范围;
(2)若
.
①求实数
的值;
②设
,
,当
时,试比较
,
的大小.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a6f53c2df62ff6bd87c12d933825cce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c773633c5cfdccc24ee6388dc11b88e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c400a615a16a1662de98dfb4e49d58d3.png)
(1)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/74d685085be4a201de48e014c73233a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fe251c3c98197349be5c131adfdd0e1.png)
①求实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
②设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/569b0f4657be70f20c22d7faa19b2d21.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae49ac1b38c486b9d5c8fcba91259a06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/047056c99b39c70fa40d3c8178e5b631.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87c7eb49a823f757461cd5260757b088.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5cd84a8f95166367063218ee03ffd5a7.png)
更新时间:2023-11-08 17:07:30
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