1 . 已知整数
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe4f83589ccd37deb53db370e8e631e2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04ed2b042eec7bb3407d5ca5ba1220f1.png)
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名校
解题方法
2 . 已知函数
.
(1)求函数
的最小值;
(2)证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61b4ce04a52818f54d0bf8d63c822dcf.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6790f1010defae05e26f1ab6ce62f1e1.png)
您最近一年使用:0次
2022-06-06更新
|
699次组卷
|
3卷引用:吉林省吉林市普通高中2022届高三第四次调研测试理科数学试题
3 . 已知函数
的图象是自原点出发的一条折线,当
时,该图象是斜率为
的线段(其中正常数
),设数列
由
定义.
(1)求
和
的表达式;
(2)求
的表达式,并写出其定义域;
(3)证明:
的图象与
的图象没有横坐标大于1的交点.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c13a0c16cb73c7381c01280f3d62a874.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8212e307836cb33f16575e23f6b808e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/406185f4ad8bcd99e23adc8d289088ed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e976c0663fa749ca749f99842d21ca03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/baf389cbaa16c0f23c6928ca31be4e52.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bff60eab72de85437e12806474281612.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3282e5fde4ae53fcb1bb072a685304c9.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(3)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d77f5191798242b7b9b88a75e17e4425.png)
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4 . 已知数列
满足
,
,且
,
.
(1)证明:
;
(2)证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c37f186bc71846ac158e74e58e42fdcf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/039e4fe671d61e59b96ee525c9df43e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6194b7839446c93adc1b49aefb9d7214.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15a70b95c53fb6655721e2a8c61f5c2c.png)
(1)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3f5f15f044af83e89e5f99565e612d6.png)
(2)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6eb5f27d859a1c31601425db58c885f.png)
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5 . 设复数数列
满足:
,且对任意正整数n,均有:
.若复数
对应复平面的点为
,O为坐标原点.
(1)求
的面积;
(2)求
;
(3)证明:对任意正整数m,均有
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/078c417ea54a5065c1f72941b9e4b0be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b670aca396b96eaf2c553b1ca84486dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a383b03b4869ea984d58b8d87c35402.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/012d2d40a71783e79d67e7fbb01bc93a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8312ce4d9e9f0aff13e64d93fbea921e.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5927f1967a8f72e8fb887edb5023a921.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9fec8f8ce956e4621c34db6218ed072.png)
(3)证明:对任意正整数m,均有
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cea99696f6df9d98c2dcc87832002874.png)
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名校
6 . 设
,记
,
,
,3,…,集合
对所有正整数
,
.求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7600f6106deb991473530c04dd38d1c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9ab7bb40f58f28c9799b20f91d15d33.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dc2918652a71ff4f1f8455c7f36af2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc2d3df37e73a8abea815f37dbb3fff5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d9f0d98d91c7cc5185459eb94298497.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68364db412ab3a5eb503ecdd9542915b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9559f82370d8b150774350d0552b0dde.png)
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7 . 已知数集
具有性质P:对任意的
,使得
成立.
(1)分别判断数集
与
是否具有性质P,并说明理由;
(2)已知
,求证:
;
(3)若
,求数集A中所有元素的和的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/30b7edfe73bdd0bb2a6e84512b62bdc7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a921d157d198de0f934da07e16dc7df3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a1e76d1341e8e6bd89b7075150536bd.png)
(1)分别判断数集
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59970351aa04d29f62d480c7280763e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37a3069c8accda13019e775a5dc198c2.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/108bce68aab5565c4ed9a0c3e11150e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7006f52b1f7cf1bdf8374bd2da3e4562.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d91a94ec87afbc073e077f2c453a304b.png)
您最近一年使用:0次
2022-05-13更新
|
1010次组卷
|
7卷引用:北京市房山区2022届高三二模数学试题
8 . 已知
.求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d47668458ce6904bea9179f418cd352.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b928f78545242ccc44010e5d1ef08fbd.png)
您最近一年使用:0次
9 . 已知n个非负实数
和为1.求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1fe1c31a81f198c443e71b83ca662939.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/493f509c3370b2b26d46e2e46d038134.png)
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10 . 求证:对于正整数n,令
,数列
中有无穷多个奇数和无穷多个偶数(
表示不超过实数x的最大整数).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1955d14c54b359b91f4153fbddf00ed5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2ab85825d4a002600ca41bd3cd2ee7d.png)
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