1 . 将所有平面向量组成的集合记作
,
是从
到
的映射,记作
或
,其中
,
,
,
,
,
,都是实数.定义映射
的模为:在
的条件下
的最大值,记作
.若存在非零向量
,及实数
使得
,则称
为
的一个特征值.
(1)若
,求
;
(2)如果
,计算
的特征值,并求相应的
;
(3)若
,要使
有唯一的特征值,实数
,
,
,
应满足什么条件?试找出一个映射
,满足以下两个条件:①有唯一的特征值
;②
,并验证
满足这两个条件.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c85067c53e936ef32da818efe04bdbb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca4ff0af96ea467337cb30c4c765b5f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c85067c53e936ef32da818efe04bdbb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c85067c53e936ef32da818efe04bdbb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/02de2ea205a54acd8cd7e279b96d1c5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39549972b3c02bd84637471fb171ae90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf0b2929e18e7737669e001ec83b4543.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f921a664a3f2a8696f7702bb38ad61f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aec19b68e3add9d5bfcc6269a1855b87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54015ff5b49e3283901da1291b6b921d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46f6872ffb1934339c53c2c2282d5889.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca4ff0af96ea467337cb30c4c765b5f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da1a9fb3904514272b50fa3339ee2b40.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e9c5e3816909bd49a229130af166698.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/edbc4c88fe1a586aef39e92e925f0337.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7ad9a98e9aae2623ea32b1b05960470.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6938ce64829c28318021579c6e45b4a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca4ff0af96ea467337cb30c4c765b5f7.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a072f92e9330b67545633ef422c3ee2f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/edbc4c88fe1a586aef39e92e925f0337.png)
(2)如果
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72819d3bcd97399a6ed89f87efaa92b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca4ff0af96ea467337cb30c4c765b5f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/552355ddba8eef1ca3bf15eb53d79622.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2322e48ae3b2a166f061eb4aaf39f355.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca4ff0af96ea467337cb30c4c765b5f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e72adb45c60c2f63b46e65ff787302bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e88093a749c0d46e0ee931ecfaff925.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b715e7842b95f654f16056a7c7f2abe9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13423c094861baf4b759b7f3d8c3c226.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca4ff0af96ea467337cb30c4c765b5f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a668834bb908d31cb0fac925c1c9dd04.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca4ff0af96ea467337cb30c4c765b5f7.png)
您最近一年使用:0次
2022-03-04更新
|
779次组卷
|
4卷引用:山东省济宁市第一中学2024届高三上学期期末数学试题
2 . 实数
、
、
满足
,试求
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6592ff257bea95dc4d4cc898bde480f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a913cd07a8931a037ec8bf0350705ba2.png)
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3 . 已知函数
,
,
证明:1.当
时,
没有零点; 2.当
时,
至少有n个零点;
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/75a5a642c62d296bb56a97aa45a9377f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ebff07f8fa1e09ff0346d8a982438c8.png)
证明:1.当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c0aa2ef928b6e3341d0a0dc6d8055b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a8fee24d72a91f2156da24c3da74fb5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95842ad442c7f6d5ec4b32939b929e63.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a8fee24d72a91f2156da24c3da74fb5.png)
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2012高三·山东·竞赛
4 . 设函数
满足当
时,均有
.设
在
时的最大值为
.试求所有函数
,使得存在
,满足
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6d7dec0c25da9ff7e609ba217331d52.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88a6bea084567e3055f0e58499398a46.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/366839b25310cb3168d411b1d5f73b06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0237b0c9cb09068e76c7f2b9a639161b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88a6bea084567e3055f0e58499398a46.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3834d7ec7531f3c3c0ce9b286f7a49.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b28bb47982e7ef47c982071a70ffa60d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d092459156561e9001b9c56e8fae481.png)
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2012高三·山东·竞赛
5 . 设集合
,
是集合
的所有子集组成的集合.若集合
满足对任意的映射
,总存在
,使得
成立,其中,
表示集合
的子集
的补集,
为给定的正整数.试求所有满足上述条件的集合
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1fd2491dc0189bacbcb09d74ee95e9b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff80edae2bb9b957ebf65b9fce57de89.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5ad3ffff37a149697244349b56c5ec3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33f230d071f8ec5849ea1c87c531a287.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a93dbde8abe5a51ce79c7a970491f5c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f022950e0faa45b617d497b01b5292b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
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10-11高三·贵州遵义·阶段练习
6 . 已知定义在
上的函数
满足
.
(1)当
时,求
;当
时,求
.
(2)若有且仅有一个实数
,使得
,求函数
的解析式.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a43b2faa4f81f32d94612dce724e772b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/981afdf2ff75666b7eb559ee99c671ee.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e1a4f3d0f4f608ea4e8481843d19429.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ce6155e181e21ce56ea658b70f8af17.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/872421baf717e423a589022dbf8e217a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f484115a9df1b6060d6b14df85c6f38.png)
(2)若有且仅有一个实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66f66a2b3d90f0d935d6c8ebaf675349.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
您最近一年使用:0次
2018-12-27更新
|
293次组卷
|
5卷引用:2012届山东省郓城一中高三数学10月单元练习(函数二)
(已下线)2012届山东省郓城一中高三数学10月单元练习(函数二)(已下线)2012届贵州省遵义四中高三第一次月考文科数学数学奥林匹克高中训练题_101福建省漳州市第八中学2019-2020学年高一上学期期中数学试题福建省平和一中、南靖一中等五校2019-2020学年高一上学期期中联考数学试题
2010高三·山东·竞赛
7 . 已知函数
对于任意实数
、
,都有
,且当
时,
.
(1)
在实数集
上是否为单调函数?并说明理由;
(2)若
,求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.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/f959f8022bef2a58d8646ac481c0e86e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0abe4960954bb3144b7e86d4233e747.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a43b2faa4f81f32d94612dce724e772b.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/079577768ba2701f0c3e5fc34ab38679.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80f0e4e06ca2758a2a33cbc734cf4d46.png)
您最近一年使用:0次
2009高三·山东·竞赛
8 . 对任一正整数
,是否存在相应的二次函数
,使得对任意的正整数
,有
(例如,
,
,
,
).若存在,请给出证明及相应二次函数
的表达式;若不存在,请给出理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31abc72706e6a1ca589489f98ce23cd6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41e51f2c795ab4791cc89ea49699fc5b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3425e7d0d06d0b66a5cfb41188e7de3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/367e788c32187ae2cc97aaa24da1d40d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7acff98078cdd32804d8f1c4efbe2ddd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a89b3e1adfdd8b9c180dfb865c107c1f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee82ab2ac3b8fdca121607b56fcc864a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41e51f2c795ab4791cc89ea49699fc5b.png)
您最近一年使用:0次
2009高三·山东·竞赛
9 . 证明:定义在
上的奇函数
能表示为一个周期函数与一个线性函数之和的充分必要条件是
的图像有异于点
的对称中心
.
注:线性函数是指形如
,
和
可为任意实数的函数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b2c84e7b41a841a230ed5f8a42309aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4562f3225c98cf5cb11b47d98c9cc9c3.png)
注:线性函数是指形如
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12c67711522ae37bcc97f9d8a023debe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3eabd5f3a86afe49dcd70571e2b96cfd.png)
您最近一年使用:0次