1 . 已知数列
满足
(
,
),设数列
的前n项和为
,若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b2778e2dadff4d91102e6046bb5def8.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64488d8a0b83309924e698b7e2c9ee9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/930bc56406e69b785b37a83d48e36724.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3bcfc48f9bc23cc43085bdb910e7a136.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54e2b98e3b1c3c3e642d0ddd20f49631.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b2778e2dadff4d91102e6046bb5def8.png)
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2 . 已知数列
满足:
,
,
,
,则
( ).
![](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/9c9b6e51986fe5d7a7265e0e93adcb4d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3172a2dfbce3ce32fd909ff548e75b26.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e97769855336d73371930df1f187875e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f5eb9b8f893dd71876349ad40724550.png)
A.![]() | B.![]() | C.1 | D.2 |
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2023-01-19更新
|
1113次组卷
|
7卷引用:四川省成都市玉林中学2023届高三二诊模拟理科数学试题(二)
四川省成都市玉林中学2023届高三二诊模拟理科数学试题(二)四川省凉山州宁南中学2023-2024学年高二上学期第一次月考数学试题吉林省吉林市第一中学2022-2023学年高二上学期期末数学试题江苏省苏州市张家港市沙洲中学2023-2024学年高二上学期开学检测数学试题(已下线)第04讲 数列的通项公式(十六大题型)(讲义)-3黑龙江省牡丹江市第二高级中学2023-2024学年高二上学期12月月考数学试题(已下线)专题08 求数列通项17种常见考法归类(3)
2023·四川凉山·一模
3 . 把正整数按如下规律排列:1,2,2,3,3,3,4,4,4,4,5,……,构成数列
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba351d518c310f48163b49a444ba981c.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba351d518c310f48163b49a444ba981c.png)
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4 . 已知函数
的定义域为
,对任意的实数
,
,当
时
,且数列
满足
,且
,则下列结论成立的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3ed15aa3dcc4211fb520b5b942c989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e64541d7f445079207b6f671adc7d662.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9dbe6c97e2ffd3d4dcd75d138fd95f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e541ea2f855f981c96207070683d388.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d752d8db8a05b3ec7312f6ac8b64a07.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9fff368be6e1568943efb3915800ed7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8dcde20ce2f58c92c832ad5f21b38b5.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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2023-01-03更新
|
488次组卷
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11卷引用:四川省绵阳市南山中学2022-2023学年高三二诊热身考试理科数学试题
四川省绵阳市南山中学2022-2023学年高三二诊热身考试理科数学试题【全国百强校】湖南省长沙市湖南师范大学附属中学2019届高三高考模拟(二)数学(文)试题(已下线)第01讲 数列的概念与简单表示法 (讲)-《2020年高考一轮复习讲练测》(浙江版)(已下线)专题6.1 数列的概念与简单表示法(练)【理】-《2020年高考一轮复习讲练测》广东省广州、深圳市学调联盟2019-2020学年高三下学期第二次调研数学(文)试题(已下线)期中测试一(能力提升)-2020-2021学年高二数学单元测试定心卷(人教版必修5)(已下线)专题7.1 数列的概念与简单表示(精讲)-2021年新高考数学一轮复习学与练(已下线)专题7.1 数列的概念与简单表示(讲)-2021年新高考数学一轮复习讲练测(已下线)专题7.1 数列的概念与简单表示(讲)- 2022年高考数学一轮复习讲练测(新教材新高考)湖南省常德市临澧县第一中学2022-2023学年高二永通班下学期入学考试数学试题河南省郑州市第四高级中学2023届高三下学期第九次调考考试理科数学试题
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5 . 若数列
满足
,
(
,且
),记
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70c1e51673e07b070b98a5e5520d5ec5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/47769ca08edfa79fc200b9f37d197335.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/78fbecca12ee62538020483fd55a2109.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc6eabec32d0ec1591900b683c1118ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/392a8f641017f5df07890012bd80eec6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1356c70a601292169ffa13bce55b15ea.png)
A.-1 | B.![]() | C.![]() | D.![]() |
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2022-12-29更新
|
574次组卷
|
4卷引用:四川省成都市树德中学2023届高三上学期1月模拟检测理科数学试题
6 . 已知数列
对任意的
,都有
,且
,当
时,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c2f03f58e3c85de45bd3fd86a8a66f7.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/209591cfb9f8271f5ad48d89f214f22e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9deb2f8667983af9632f395582f18124.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40690467e398f8c89ca427aeb753edbd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f64d5b1d831630334e494c39d0343872.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c2f03f58e3c85de45bd3fd86a8a66f7.png)
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2022-12-13更新
|
2228次组卷
|
4卷引用:四川省自贡市2023届高三第一次诊断性考试数学(理)试题
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解题方法
7 . 已知数列
的通项公式为
为数列
的前n项和,则
的值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b28ef6f1b2279af482557a8ea46f2e43.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6906cbc195f63da4b6869f771df39b98.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b28ef6f1b2279af482557a8ea46f2e43.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cab4f41f4e297bd1e4c5fead875de69b.png)
A.0 | B.1011 | C.![]() | D.![]() |
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8 . 裴波那契数列的前7项是1,1,2,3,5,8,13,则该数列的第8项为________ .
您最近一年使用:0次
2022-10-24更新
|
1203次组卷
|
3卷引用:四川省绵阳南山中学2023-2024学年高二下学期3月月考试题
9 . 已知数列
的通项公式为
,
为数列
的前n项和,则
的值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b28ef6f1b2279af482557a8ea46f2e43.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b21ffbed78a70aea8958282608d71a8b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b28ef6f1b2279af482557a8ea46f2e43.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cab4f41f4e297bd1e4c5fead875de69b.png)
A.0 | B.1011 | C.![]() | D.![]() |
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10 . 已知项数大于3的数列
的各项和为
,且任意连续三项均能构成不同的等腰三角形的三边长.
(1)若
,求
和
;
(2)若
,求
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29be3be1fab332421795b8e6bd1389dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/caab8bfc1174d5cb13f8f0056615a562.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
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