名校
1 . 已知
,若对任意
,
,则
的取值范围是________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10bbdef421c976962a270a2beabbad91.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb63478132d4c1fef3c17e591919da83.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6665f58c63415e0a4aa3c94b30815218.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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2 . 利用数学归纳法证明“
,
”时,从“
”变到“
”时,左边应增乘的因式是__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c131dbe3224d11f095649fdfe187b4f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e145b6046bc80d0ffecc61ac67c87ca1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ef7ca2b3e8061384501f668e59696a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63ba21f3d0cfc86d40e2e06446623ce0.png)
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解题方法
3 . 对于空间向量
,定义
,其中
表示x,y,z这三个数的最大值.
(1)已知
,
.
①直接写出
和
(用含
的式子表示);
②当
,写出
的最小值及此时
的值;
(2)设
,
,求证:
;
(3)在空间直角坐标系
中,
,
,
,点Q是
内部的动点,直接写出
的最小值(无需解答过程).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b303ef66609858e8ab234b6dabccba4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e382f70d741ee01c165391ce980155d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a4461408813c1476a8a8073c83b8989.png)
(1)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23056c429159c0198f865ff11972d8df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e17d2355419564f6d9737295412b58c.png)
①直接写出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9873960d64934875139754efbdfe951d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13af5f843689a63bc176c2d2171b6a1d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
②当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53168695826b0a33a23067b76173c7e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/780ef5119f58f853ce9dd2b9176ffdde.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/778ae4468d857c229073875e0ee0ce31.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6772fa3937b97d9ec3aec1ea2ea143b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95086cc97ef93f5166489b3bc47e1911.png)
(3)在空间直角坐标系
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5e336d6ca2cae3d6e6c3810d7e521a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b32ab04dd852329d5918b177c199eee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee736aec4313d04a5921ed7e5800b3b7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d04a00e46c1ffb335f73506041c66dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/084fc7655647b596d07e80269d086e5a.png)
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23-24高二上·上海·课后作业
4 . 已知数列:
,
,
,…,
,…,设
为该数列的前
项和.计算
,
,
,
的值;根据计算的结果,猜想
(
为正整数)的表达式,并用数学归纳法加以证明.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5ed98e34b84285163a8b1b45c6fe403.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/231fd0fbb933002c6a527dcc4f7186f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac4a646b098601ebe77beadf1707deca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/548714be29a1ee51b484b68904543ebb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e097c8d4c948de063796bd19f85b3a9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e0bd63f55069a3bc870915010b39225.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6899bf9cadae2ccdb14cbc87d4f280ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f30f56664446f32dbbc2c5f12a99374.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73c1332cd528333b840601948c3eefa8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
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23-24高二上·上海·课后作业
5 . 已知数列
满足
尝试通过计算数列
的前四项,猜想数列
的通项公式,并用数学归纳法加以证明.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93bca90a6805973ae10f644ae270510f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
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解题方法
6 . 已知
,函数
的最大值为4,
(1)求实数m的值;
(2)设正数x,y,z满足
,求
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be466586da8810ccfd811c59a747adb8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/476eba3930c7e1b0b2f4a970f8c60243.png)
(1)求实数m的值;
(2)设正数x,y,z满足
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d65b12cf6724b07e76aed19f8766745f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/75f88296694d761bda21ef7c26086c48.png)
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名校
7 . 用数学归纳法证明:
,从
到
时,不等式左边需增加的代数式为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14536d627075477e5d48d2b815a237e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ef7ca2b3e8061384501f668e59696a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63ba21f3d0cfc86d40e2e06446623ce0.png)
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2023-06-14更新
|
307次组卷
|
5卷引用:4.4 数学归纳法(五大题型)(分层练习)-2023-2024学年高二数学同步精品课堂(沪教版2020选择性必修第一册)
(已下线)4.4 数学归纳法(五大题型)(分层练习)-2023-2024学年高二数学同步精品课堂(沪教版2020选择性必修第一册)上海市建平中学2022-2023学年高一下学期6月月考数学试题(已下线)4.4 数学归纳法(6大题型)精练-2023-2024学年高二数学题型分类归纳讲与练(人教A版2019选择性必修第二册) 第8课时 课前 数学归纳法(选)(已下线)4.4数学归纳法——随堂检测
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解题方法
8 . 不等式
的解集是__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c0408c9fdfb28b420c74821054d5fb9.png)
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2023-05-10更新
|
1072次组卷
|
4卷引用:上海市浦东新区2023届高三三模数学试题
上海市浦东新区2023届高三三模数学试题(已下线)上海市华东师范大学第二附属中学2024届高三上学期开学考试数学试题上海市徐汇中学2023-2024学年高三下学期3月月考数学试题(已下线)第05讲 一元二次不等式与其他常见不等式解法(六大题型)(讲义)
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9 . 不等式
的解集为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9323b0004385214d3470fbf3d873ba65.png)
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10 . 定义在正整数集上的函数
,其最小值是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/75cd2e1aea5fdae8f741f36077e4d53a.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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