1 . 已知集合
,对于
,
,定义
与
之间的距离为
.
(1)已知
,写出所有的
,使得
;
(2)已知
,若
,并且
,求
的最大值;
(3)设集合
中有
个元素,若
中任意两个元素间的距离的最小值为
,求证
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0a1ddf7f51f115fa436aadb2de92b3e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1e6a5b4c75edf2ee68f935b2e3fe12d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec1a7c3713945abc4eca8485945abf32.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ab4a9bfa50054c808dd8190305d0abd.png)
(1)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9e25cf1d30f458593f08325f85f6e0a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42c72cbaca91d8e578762c4f0b6750a6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4aaf68eac26dd95e0eb726913dfc17b.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/003fbb029cdb6d5d7f93e29dca371f7f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e77ba8c90d21237670483bbcd8ac63b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c332b53365518c5cf5361bf3cacd47b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce4a2681390214200443ae07c01a4abe.png)
(3)设集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11feb79d33ca429733a82c5d88393ba1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1071ac8657ef1c4e1ea7e0530196298d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9d528f49ab8d7fd971c5bb8fa7f24d4.png)
您最近一年使用:0次
名校
2 . 对于分别定义在
,
上的函数
,
以及实数
,若存在
,
使得
,则称函数
与
具有关系
.
(1)若
,
;
,
,判断
与
是否具有关系
,并说明理由;
(2)若
与
具有关系
,求
的取值范围;
(3)已知
,
为定义在
上的奇函数,且满足:
①在
上,当且仅当
时,
取得最大值1;
②对任意
,有
.
判断
与
是否具有关系
,并说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6795cae2df43a722e1355e9562d93c09.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c296e45b84cf67a98939aa7334e7d478.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4413796ac3d5ca067bf70334101f5440.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e3ac1b540727626af78788a8e5f15de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6fc39a0cea8095683ad4a20a2f96f42.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9da4f4bf9fb72cabd7afc5a67f6ecf1c.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12959f65e9db83c446c35d3261a33171.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd5cdde751120c6deab563a6f7f8cf05.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/976581d4a974fe50f9f29d430c1289f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd5cdde751120c6deab563a6f7f8cf05.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/677007fe2d220c74cbe3c9f4e9f8ccec.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3510b22fcf848f36cfaf5ff8964ce049.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17f318506aebfa6403ca8177d8db36d1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9da4f4bf9fb72cabd7afc5a67f6ecf1c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
(3)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a813b5adbf5c7082561237894ba6d599.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3ed15aa3dcc4211fb520b5b942c989.png)
①在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57a78355986534b6e50bd7cabc9290a6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ede97915bccd6a7b22d7400c30f8adea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a813b5adbf5c7082561237894ba6d599.png)
②对任意
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb63478132d4c1fef3c17e591919da83.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c0d3607cac89a65327549f87f20ba1c7.png)
判断
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bca470d8c4a0a60e9f600d6aa264ad1f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ccb41d5badc297be2d9b8931991ab7a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1115793a13fb11c9e126cbb1fb2ac879.png)
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名校
3 . 对于定义在
上的函数
,如果存在一组常数
,
,…,
(
为正整数,且
),使得
,
,则称函数
为“
阶零和函数”.
(1)若函数
,
,请直接写出
,
是否为“2阶零和函数”;
(2)判断“
为2阶零和函数”是“
为周期函数”的什么条件(用“充分不必要条件”“必要不充分条件”“充要条件”或“既不充分也不必要”回答),并证明你的结论;
(3)判断下列函数是否为“3阶零和函数”,并说明理由.
,
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a43b2faa4f81f32d94612dce724e772b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87c7eb49a823f757461cd5260757b088.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5cd84a8f95166367063218ee03ffd5a7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f7f4cc0837a4e6dcd0072887e4e2704.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/efe6d9f54a34762aadfdf8e2bac977cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d96b743603ab1c10330622f16db78dbe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/892519541cfba6f2763cd29159bf1b02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
(1)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/329fb959f16f82835aa68fca9d3f08f0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dcda6a21da79726f8fb3ba6235b9010f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ebef85c05f6d84ceb67d92abf77ba2c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6ace630100e64ed290d82936ad249c8.png)
(2)判断“
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(3)判断下列函数是否为“3阶零和函数”,并说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ab7da79b2400cf8125ef040cd056b76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/321b15db96dc89f136a7421e09fc9814.png)
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4 . 对于数列
,
,…,
,记
,
.设数列
,
,…,
和数列
,
,…,
是两个递增数列,若A与
满足
,
,且
,
,则称A,
具有
关系.
(1)若数列A:4,7,13和数列
:3,
,
具有
关系,求
,
的值;
(2)证明:当
时,存在无数对具有
关系的数列;
(3)当
时,直接写出一对具有
关系的数列
和
.(本小问不用写解答过程)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b371f2c03f281c6b3a8d177c99396e0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b76f79be89b8c6227b68eded6b675546.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c59e7c7a84a4bdb959e95536d0404ceb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29fccdb5805293481f533355378857a7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31ea8a3bb7046d6cd460fcf8eeaa9572.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/140b9dbcada4ac2e5fe3cc30009bcd67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e88093a749c0d46e0ee931ecfaff925.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96abfe2da27a63e6affb19a0c80236d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f17923637012a75a01f309379c1909c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13423c094861baf4b759b7f3d8c3c226.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/686ece75006ad358f23314dc8a246e11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b8f57cd414df79b3a3f914a970e3844.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed66b99e1ab7bcbc27f97648a865d69e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0dfd2f6a994a79d0d3ebd56ecb4f3b4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/757098572cb879ed0681a73db908af74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8ce2f8d8c7e266a9fb318a8d3bcd404.png)
(1)若数列A:4,7,13和数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13423c094861baf4b759b7f3d8c3c226.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57483e04fd1840c87ac5325157149877.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8ce2f8d8c7e266a9fb318a8d3bcd404.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13423c094861baf4b759b7f3d8c3c226.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57483e04fd1840c87ac5325157149877.png)
(2)证明:当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c345907ebe27888332b1b44c666cc47.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8ce2f8d8c7e266a9fb318a8d3bcd404.png)
(3)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08ec5d76db9bd05547932966c9913dc2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8ce2f8d8c7e266a9fb318a8d3bcd404.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
您最近一年使用:0次
5 . 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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名校
解题方法
6 . 对于一组向量
,
,
,
,
(
且
),令
,如果存在
,使得
,那么称
是该向量组的“1向量”.
(1)设
,
,若
是向量组
,
,
的“1向量”,求实数x的取值范围;
(2)若
,
,则向量组
,
,
,
,
是否存在“1向量”?若存在,求出“1向量”;若不存在,请说明理由;
(3)已知
,
,
均是向量组
,
,
的“1向量”,其中
,
.设在平面直角坐标系中有一点列
,
,
,
,
(
且
)满足:
为坐标原点,
,且
与
关于点
对称,
与
关于点
对称,求
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d344174267f996c7cefecfd6985d380.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2e900404ba71110c5861ced9634646f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67dbe2e19d8960789ec873b687998b58.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/daa5e9bd516f6282483b92cfe6074623.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96948298d84df24e10c9a1ed3da62340.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6bd2c3166d0bfd9e64bdc85081445e95.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/527093b2ec760913d0dccff8a099248b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95f323477e57003503694207cb16a685.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6bf5df9243d25b1fd1ef84e4a2e1479.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a36cd1fbc82360a6f0f422591ac05cd8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de009d9df65374c870a4012cf5db28df.png)
(1)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f3d9b654783082de6e90d338c5c454c3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a37a59558292ad6b3d0978bfd7484990.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67dbe2e19d8960789ec873b687998b58.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d344174267f996c7cefecfd6985d380.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2e900404ba71110c5861ced9634646f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67dbe2e19d8960789ec873b687998b58.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/74da885934fa5f71f25b65d46346920c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a37a59558292ad6b3d0978bfd7484990.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d344174267f996c7cefecfd6985d380.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2e900404ba71110c5861ced9634646f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67dbe2e19d8960789ec873b687998b58.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/daa5e9bd516f6282483b92cfe6074623.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5fbe509a56b477c79a288a227a737996.png)
(3)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d344174267f996c7cefecfd6985d380.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2e900404ba71110c5861ced9634646f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67dbe2e19d8960789ec873b687998b58.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d344174267f996c7cefecfd6985d380.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2e900404ba71110c5861ced9634646f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67dbe2e19d8960789ec873b687998b58.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9112bd58ae60d2516b67de408465ccd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ca270240c9c1d115d3c60b58d1556c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2708fa6298e52f617383efc175b71ddc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b9cb8e6ff801523b0304576cd69fd2d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/797e67927616b141ed7c6b83f8b6f4fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/daa5e9bd516f6282483b92cfe6074623.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6f88df6d5230b66381897f960f5f512.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b6b6467f94bbc9916e47bade380929b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f8101a8f0dfea30e5e05aa87c6abdcc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2708fa6298e52f617383efc175b71ddc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93d1fb46bb932bb6d0edb7617e1ed170.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8bb85da6db44b415f254d4ca0075ad07.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36f306a75051c9a11c92aa30a836a016.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2708fa6298e52f617383efc175b71ddc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2b5ea93b62e9b06f0060ab0d09e6633.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fc4dc226800792c55eaa32134041837.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b9cb8e6ff801523b0304576cd69fd2d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f13215fec5fb9d2a4f19a60ddc7fdb70.png)
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名校
7 . 已知数列
满足,
,
,且![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84c58e480cfcab1aff130f7f2d139a6b.png)
.记集合
.
(1)若
,求集合
中元素的个数;
(2)①求证:
,
.
②若集合
中存在一个元素是3的倍数,求证:
中所有元素都是3的倍数;
(3)求集合
中元素个数的最大值,及元素个数最大时不同
的个数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76aef4cdcb5af742ce28003b7b6c8c20.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ebe3c2a37685ddf5fb089f963169de6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f793fcd885eac1c218c539688a5a773.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84c58e480cfcab1aff130f7f2d139a6b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b23fc7915cd368f53f3f1465e05c9c3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dcfab5a599d30821f0e3e21a1137e161.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/06dd3c3b45125d4b484e2894992610f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
(2)①求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e72620c113a6fe83273803a9ac24baa5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11b5269a64a32095e81eab4bbab5782a.png)
②若集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
(3)求集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76aef4cdcb5af742ce28003b7b6c8c20.png)
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8 . 给定正整数
,任意的有序数组
,
,定义:
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1fb7a18149d91f94f0df6809403f9ed.png)
(1)已知有序数组
,
,求
及
;
(2)定义:n行n列的数表A,共计
个位置,每个位置的数字都是0或1;任意两行都至少有一个同列的数字不同,并且有只有一个同列的数字都是1;每一行的1的个数都是a;称这样的数表A为‘
表’.
①求证:当
时,不存在‘
表’;
②求证:所有的‘
表’的任意一列有且只有a个1.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0704f453b2de48d36911f7db496bbf82.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2ed67043f7ad15e42d9e92b58adf81c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1cfcca94c8524dfefe471fd55be83736.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f00e0cc3c5765444157900fee292f7a9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1fb7a18149d91f94f0df6809403f9ed.png)
(1)已知有序数组
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3500e2bc7384abda0ca78edaec3f6d0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/778b1b95b10df70df052e1e1ceaca2c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4ac911432046e3e6c58c5c599d54216.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/468eb380831acf6234e8b8aac2267daa.png)
(2)定义:n行n列的数表A,共计
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ceef1abeeef220b4fe5f7d96feedd90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b1ef8b58951134267aea088bb1ca4c4.png)
①求证:当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fac3649308b528fd56545ba102dc42d5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b1ef8b58951134267aea088bb1ca4c4.png)
②求证:所有的‘
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b1ef8b58951134267aea088bb1ca4c4.png)
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解题方法
9 . 对于数集
,其中
,
,定义向量集
,若对任意
,存在
使得
,则称
具有性质
.
(1)判断
是否具有性质
;
(2)若
,且
具有性质
,求
的值;
(3)若
具有性质
,求证:
且当
时,
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5dc74f637a475398749159a361026793.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d3fe482c5e20abfc9f89c876f653ae3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0704f453b2de48d36911f7db496bbf82.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95ef0ee89b74da72ed80e51b06788cba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eec1c65f144bd63ed516e001e57852de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f923fcc615e579b8dda937faa9fa40c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01243e3fb9bd7a7711a593f5395b06cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f022950e0faa45b617d497b01b5292b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
(1)判断
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ee021c7c1a5df78501eaca655726212.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c0aa2ef928b6e3341d0a0dc6d8055b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f63c40ece6a988e75c73eb8ab1c626b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f022950e0faa45b617d497b01b5292b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7551ee6e86b2c6e79236dfe3e2e2c24b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/346549f9adda7eb363f16d355ae68b85.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87a60302649eb940748da818199e55da.png)
您最近一年使用:0次
2024-04-29更新
|
342次组卷
|
7卷引用:北京市第一六六中学2021-2022学年高一下学期期中考试数学试题
名校
10 . 已知集合
(
,
),若存在数阵
满足:
①
;
②
.
则称集合
为“好集合”,并称数阵
为
的一个“好数阵”.
(1)已知数阵
是
的一个“好数阵”,试写出
,
,
,
的值;
(2)若集合
为“好集合”,证明:集合
的“好数阵”必有偶数个;
(3)判断
是否为“好集合”.若是,求出满足条件
的所有“好数阵”;若不是,说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c7c07bd06408ada63e19cd38444a8a9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd4613271f782a90ab580131d09d03d1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5818ede14d21f6df9ef9c2bfe09286c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c5790497e607490f8d6c184f11ad260.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f799bc4317846951767f4aa196bfc105.png)
②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54946204c502727ffaee3c0172d195a3.png)
则称集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ddad3d9fdb5e9951b6a1c31f9a72a71.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ddad3d9fdb5e9951b6a1c31f9a72a71.png)
(1)已知数阵
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e93838d1ac2b07386b69165fe00d9e49.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72fa71450b470cb7d6464339873d74b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/595044a7750ab4f84519041979c3d780.png)
(2)若集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ddad3d9fdb5e9951b6a1c31f9a72a71.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ddad3d9fdb5e9951b6a1c31f9a72a71.png)
(3)判断
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca1acb90636d27c85b45c0204035594f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7c95469d8d40311c876b3724f032d7e.png)
您最近一年使用:0次
2024-03-27更新
|
1028次组卷
|
4卷引用:北京市第八十中学2023-2024学年高二下学期期中考试数学试题
北京市第八十中学2023-2024学年高二下学期期中考试数学试题北京市日坛中学2023-2024学年高一下学期期中考试数学试题北京市丰台区2023-2024学年高三下学期综合练习(一)数学试题(已下线)压轴题01集合新定义、函数与导数13题型汇总 -1