设函数
.
(1)当
时,
恒成立,求k的最大值;
(2)设数列
的通项
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a207c5cf632eb4f39859b9f556df983.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6e2e79843faf62dde86bf858d1e0569.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb23272635181bb51db5a6a1917d73aa.png)
(2)设数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76aef4cdcb5af742ce28003b7b6c8c20.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ececf066e41db202ab30f5f26c78c50f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/afe65fbf941ce2be8b71b4329bac4bc7.png)
更新时间:2022-05-11 19:41:23
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