1 . 已知向量
,其中
是两两不相等的正整数.记
,
,其分量之间满足递推关系
,
,
,
,
.
(1)当
时,直接写出向量
;
(2)证明:不存在
,使得
中
;
(3)证明:存在
,当
时,向量
满足
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08e8a74fa30b2e3d26e572a780f8923e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/636995f2a3d0002f8770cf3c4b6fb466.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9e8f6a7f2aa85688acec8fab018bf6b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c932970f95c12bddee59fc04f0c02f1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/843ff24183004a105ff0c73a1fac6a01.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1fe08794bdcc386a700cf75d9bb0a255.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7455cd15ac74993fb312181398b4695f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91ca738a745d910c37350fd771c6bb50.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37e5531913e2f170465d8df01795cd51.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b371d5f06d5bb0bb09f4a18d2247ebf1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d6817d33e1286003d29ff178b336ca4.png)
(2)证明:不存在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9cf16b1434b6595702815e3e28042da0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9e8f6a7f2aa85688acec8fab018bf6b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c77a6635810f385ba10cc174277dfc85.png)
(3)证明:存在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7399fcd570d1de4057f2059759d18cc9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52608aa7220d68349e5bc5659072693a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9e8f6a7f2aa85688acec8fab018bf6b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da3264f1d2a4b2ad9a4435cbd1b34296.png)
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2 . 设n为正整数
,若
满足:①
;②对于
,均有
,则称
具有性质
.对于
和
,定义集合
.
(1)已知
,判断
和
是否具有性质
(直接写出结果);
(2)设
,且
具有性质
,写出一个
及相应的
;
(3)设
和
具有性质
,那么
是否可能为
?若可能,写出一组
和
;若不可能,说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/855ce769f6795d1463744a0d74901fb7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/556a481809009382b48169a908a8d3fc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e67691c95c84c3567eb5fd7d00075d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/937c09d82c480e4d67f8a48d3f66c5f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c8ed8bcecf6762164c9f8894942d5083.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6af70015e47edd3f7eeb441645283c6b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/556a481809009382b48169a908a8d3fc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae6b04e179e843c646481aff8f08534d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b84788a8fa49ede599af521873c3a8da.png)
(1)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc5aa46e4e3369317a2b83cbf8201b58.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b72283959c60b0aba983da6d65ca51a.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8f449a982c08087cb2e1408906468ec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e8147ecded7df76c941673ac8251b3c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f7204d924d34fc81911de26a460b252.png)
(3)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19305744dcc72ca3997f9bc0dcdfb5d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f7204d924d34fc81911de26a460b252.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e422fdd219db84761945e297fffb86a6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
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