1 . 用数学归纳法证明
对任意
都成立,则
的最小值为_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f02d5ee35815524639c228043f67b44.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98e75e2089a950b0aac342eb835748f8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
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2 . 利用数学归纳法证明“不等式在n从某个自然数
开始,总有
成立.”则验证不等式成立的初始值
的最小值是___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d7e9f86738335a22298559db41037a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82132cdee775b5bdb4c7ab278d7ab8ea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d7e9f86738335a22298559db41037a4.png)
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3 . 设
,
,并且对于任意m,
,
成立.猜想
的表达式____________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d07de486e31810b3b2047871bd4167a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c55c267516406fd75a291608808cfca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6dafd98e5b223908b13013c3cacc0386.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8da9144b3862e0742ad23181df7833f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38fcec7af3520884b173b29bda6c657a.png)
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4 . 已知
(
,
)的表达式
(
,
),那么![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a5643eec7a8b2ef7953016be47c19ab.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0add07a1ddd1f87d481c17eefcdba4e0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65a40142c84be68ee2918c3a8303388c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e167b43045b3297248e334c41c621b8f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94beb688de9f4c75c47a00639a9f6e8d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65a40142c84be68ee2918c3a8303388c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e167b43045b3297248e334c41c621b8f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a5643eec7a8b2ef7953016be47c19ab.png)
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5 . 数列
中,
,
,
,
成等差数列,分别计算
,
,
的值,猜想
的表达式为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b065334d8f60c49f4bd3d9f1373fe4cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ebadf2b3ec3dc92cd902eff76085ad46.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ba43a00a6e133ad175bd4f27c546415.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/08eb71ecf8d733b6932f4680874dbbf3.png)
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6 . 利用数学归纳法证明“
”时,由
到
时,左边应添加因式______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7d488bc552b77155b56464011ec9452.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b00f4eb7f1bd2ccefbabf0c1dfa8f69.png)
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7 . 用数学归纳法证明“
(
,
,
)”的过程中,第一步左式=______ ,右式=______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc78104e654afb1bf70e2df791894fc0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c400a615a16a1662de98dfb4e49d58d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd4613271f782a90ab580131d09d03d1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e167b43045b3297248e334c41c621b8f.png)
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8 . 与正整数
有关的数学命题,如果当
(
,
)时该命题成立,则可推得当
时该命题成立,那么为了推得
时该命题不成立,需已知![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f3cb8d72bb2e281b943b3b430138ef7.png)
______ 时该命题不成立.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ef7ca2b3e8061384501f668e59696a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e10f2f74e201f77f853e9ed9078615c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2397df3279607612ea3cbef101ee0bf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63ba21f3d0cfc86d40e2e06446623ce0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e45cf86650443d1b86c79b1e3edc7e5c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f3cb8d72bb2e281b943b3b430138ef7.png)
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2022-05-05更新
|
116次组卷
|
3卷引用:沪教版(2020) 选修第一册 单元训练 第4章 数学归纳法(B卷)
沪教版(2020) 选修第一册 单元训练 第4章 数学归纳法(B卷)(已下线)4.4 数学归纳法(分层作业)-【上好课】2022-2023学年高二数学同步备课系列(人教A版2019选择性必修第二册)1.4 数学归纳法(同步练习基础版)
9 . 平面内有
条直线,设它们的交点个数
,若增加一条直线,则它们的交点数最多为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa7a84d7e5d6236009a8be655bd500fd.png)
您最近一年使用:0次
2022-05-05更新
|
108次组卷
|
2卷引用:沪教版(2020) 选修第一册 单元训练 第4章 数学归纳法(B卷)
10 . 用数学归纳法证明“对于正奇数
,
都能被
整除”,在假设
时结论成立,进一步要对于![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f3cb8d72bb2e281b943b3b430138ef7.png)
______ 时,验证结论也成立.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c41c0c0df2d1dd2b1f065f1df228ad81.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fc33d2c0c40b76cff4dde10c38b802c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ef7ca2b3e8061384501f668e59696a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f3cb8d72bb2e281b943b3b430138ef7.png)
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