已知数列
满足
.
(1)证明:
;
(2)求整数m,使得
最小.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d2e91e35c294256ecd0d696c1054bd8.png)
(1)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87f5f2fbe704a41258681480bbb1a0e1.png)
(2)求整数m,使得
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e2d129bb307972160ae2b76d99e286d.png)
2005高三·河北·竞赛 查看更多[1]
更新时间:2018-12-16 17:15:21
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(1)用
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3002f56900c2924bfd79fc3865b0a02e.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0b3c80e774501722f46f97800f1d400.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e3fd5fd833041ae95d8b7f8d2897e35.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c4223bd6ee8f82d59d244371fbcddc5.png)
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