1 . 已知数列
中,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/694d9d408cec688e8c8a13e4868a5deb.png)
(I)求证:数列
是等比数列
(II)求数列
的通项公式
(III)设
,若
,使
成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63d471926f7b27322d90c82b9ce21d3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/694d9d408cec688e8c8a13e4868a5deb.png)
(I)求证:数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6631307e8ff61b215f447f2527c36e04.png)
(II)求数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63d471926f7b27322d90c82b9ce21d3d.png)
(III)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b9dfeeff5b7c543226a16dac4509375.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a23487d83aa14650649f1e0b636acabb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6143b63cb006d60ffb578a90da8f9f5b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
2017-12-11更新
|
3790次组卷
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11卷引用:四川省泸州市泸县第四中学2019-2020学年高一下学期第四学月考试数学试题
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名校
2 . 已知函数
,
.
(1)当
时,求函数
的图象在
处的切线方程;
(2)若函数
在定义域上为单调增函数.
①求
最大整数值;
②证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/624ae3a8ee55c7e72953741a07db23a0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1e69392d21261afd8e5e5f096634669.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb45f673c56a289ea78831c9237e8d20.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
①求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
②证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8833b3e4dfecca27ceb587b9ab0e0095.png)
您最近一年使用:0次
2018-01-18更新
|
1431次组卷
|
7卷引用:四川省内江市第六中学2020-2021学年高三下学期第五次月考数学(理科)试题
3 . 设定义在
上的函数
,
,且对任意
,满足
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c23f7d8bac70f9781f5f5fba5f51c18.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5d2a9b2b7603c9d0787fa23fc07a892.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4166972dec0aa3e8694a44eeb941a08.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d178b9b434b5be1197e613de96b3ede6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20e25394b3e5d6e88202b37740b0d253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c23f7d8bac70f9781f5f5fba5f51c18.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
4 . 在数列
中,
,
,
,其中
.
(1)求证:数列
为等差数列;
(2)设
,
,数列
的前
项和为
,若当
且
为偶数时,
恒成立,求实数
的取值范围;
(3)设数列
的前
项的和为
,试求数列
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad2bd6c75dc18d09097138c07bb7460c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/645e6f25500f354180da1c59ef38776f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9b5bd06b54773f3bb833f287138f2b1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15a70b95c53fb6655721e2a8c61f5c2c.png)
(1)求证:数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6625f546967ddeb9bd3cf53d4961341.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15a70b95c53fb6655721e2a8c61f5c2c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38ef4c4439b36c2847b0056a116d56d4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1ae9a3b0b7aeb1545b65d91aa371b3c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15a70b95c53fb6655721e2a8c61f5c2c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ff55eb071b913fe152e4b34f69b200.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
(3)设数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f508a0e1671febf33213f796e780739.png)
您最近一年使用:0次
2017-11-21更新
|
530次组卷
|
3卷引用:四川省成都嘉祥外国语学校2017届高三4月月考数学试题
四川省成都嘉祥外国语学校2017届高三4月月考数学试题江苏省常州市2018届高三上学期武进区高中数学期中试卷(理)(已下线)《2018届优等生百日闯关系列》【江苏版】专题二 第六关 以新定义数列为背景的解答题