已知
为函数
的极值点.
(1)求
;
(2)证明:当
时,
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b650820d7bed48ed67a2869ad8c65ff1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83ca79c133d3ed69b748f22369887fdf.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)证明:当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7fecaefda8567646f10d76668293d845.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad9a72052450fae121d959ab6cce1817.png)
2023·辽宁丹东·二模 查看更多[3]
更新时间:2023-05-15 15:06:57
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解题方法
【推荐1】设函数
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(2)证明:
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【推荐2】函数
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(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91145ab61dddeb13faa66d10457b5d2f.png)
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