名校
解题方法
1 . 已知实数
,
,
.
(1)求
;
(2)若
对一切
成立,求
的最小值;
(3)证明:当正整数
时,
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b9e5b7f6208a13f357be15e7d710ea0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04f146c48c81d7148fa0acbb24e9716e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2aecd30fc6668e650986e1c33b0e4732.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b3ec7ada52f4850719a970aeb59ca16.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1415277a2abd787827778054bd134d75.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ce2d628fffa16f2afab468d95f5c652.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
(3)证明:当正整数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0704f453b2de48d36911f7db496bbf82.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36358fa9a7718a7337f35e90592fc16d.png)
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2023-05-10更新
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667次组卷
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3卷引用:上海市徐汇中学2023-2024学年高三下学期3月月考数学试题