名校
1 . 已知函数
,
(1)当
时,求
的单调递减区间;
(2)若
有三个零点
,且
求证:
①![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f2934e598129330a50d421af214be94.png)
②
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1c1d68a6733e0a4dd0d2dee412cd6e2.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05b8ec9d4206ea66a02de5c4a1e1e911.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1310a7a80d1f8751a3f8cafe7f8c8b4.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f2934e598129330a50d421af214be94.png)
②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2cddc8d981e864d9d5a86f3e2ae40a91.png)
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2023-06-22更新
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350次组卷
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3卷引用:浙江省杭州市临安中学2023-2024学年高二上学期开学考试数学试题