名校
解题方法
1 . 已知数列
满足
,且
的前100项和![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c33e021a9fc410131e955b422228c6e0.png)
(1)求
的首项
;
(2)记
,数列
的前
项和为
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba8c6f09110cfa6341163e4d4530b37a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c33e021a9fc410131e955b422228c6e0.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e72adb45c60c2f63b46e65ff787302bf.png)
(2)记
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ffdc7929d253637975e8b095f160440.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.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/6828a1cf75f19bb74a0e0490bd65c168.png)
您最近一年使用:0次
2023-05-20更新
|
1035次组卷
|
6卷引用:湖北省孝感、荆州部分中学2022-2023年高三下学期5月联考数学试题
湖北省孝感、荆州部分中学2022-2023年高三下学期5月联考数学试题湖北省襄阳市第四中学2023届高三下学期5月适应性考试(三)数学试题广东实验中学2024届高三上学期第一次阶段考试数学试题(已下线)广东实验中学2024届高三上学期第一次阶段考试数学试题变式题19-22湖南省永州市第一中学2023-2024学年高二上学期第三次月考数学试题(已下线)专题01 数列大题
名校
解题方法
2 . 在数列
中,已知
,
.
(1)证明:数列
为等比数列;
(2)记
,数列
的前
项和为
,求使得
的整数
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/039e4fe671d61e59b96ee525c9df43e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/603480f05e16a271b3efa705e07d400d.png)
(1)证明:数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e2de706dc5f0439b989273a5367f63a.png)
(2)记
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/536e14d264a89385e1bd0bd9bd65be47.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.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/fb71f34ac8b5f4ca7b4186c5d0b9f1db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
您最近一年使用:0次
2023-02-14更新
|
925次组卷
|
5卷引用:湖北省咸宁市2022-2023学年高二上学期期末数学试题
名校
解题方法
3 . 已知数列
满足
,当
时,
.
(1)求数列
的通项公式;
(2)证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ea8d0e50065114b05ef2dc1ea1129cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0704f453b2de48d36911f7db496bbf82.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dfea1b9602b43fcc2e5114c17045f3e2.png)
(1)求数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
(2)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d816f11de02156366e6d0d6db3a5dc0.png)
您最近一年使用:0次
2023-09-13更新
|
1168次组卷
|
2卷引用:湖北省武汉市第二中学2023-2024学年高三上学期10月月考数学试题
4 . 已知数列
满足
,
是以
为首项,
为公差的等差数列.
(1)求
的通项公式![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32ca6fa9955690cec01db601e3abce0c.png)
(2)若数列
的前
项和
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/039e4fe671d61e59b96ee525c9df43e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d82c65a855b1eed9c43e6829f6c3bffb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8860d9787671b53b1ab68b3d526f5ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32ca6fa9955690cec01db601e3abce0c.png)
(2)若数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41cf1da18d91f7c98086553d157d1a87.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/2b69f65365b0845d14e64cad8f395f23.png)
您最近一年使用:0次
2023-03-13更新
|
1240次组卷
|
3卷引用:湖北省云新数高考联盟学校2022-2023学年高二下学期3月联考数学试题
名校
解题方法
5 . 已知正项数列
,其前
项和
满足
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e145b6046bc80d0ffecc61ac67c87ca1.png)
(1)求
的通项公式.
(2)证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63d471926f7b27322d90c82b9ce21d3d.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/e2a88d0e0ffc6fd3a8bc86a37e89dde6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e145b6046bc80d0ffecc61ac67c87ca1.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/846fa57d92d6ad44d6a0cafad1e71ed4.png)
(2)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/251d8cebd19f16530eb3f09a3f054a72.png)
您最近一年使用:0次
6 . 已知等比数列
的各项均为正数,
的前
项和为
,且
.
(1)求
的通项公式;
(2)设
,记
的前
项和为
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](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/48d19ada4e80ddb79719aef23099e2bf.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/884f48fac579b9aa85bcb230615d54bc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57ef6d44448092ebdb9e4a49d866a749.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/83d76c3eb0a07a827877d7a4dc306211.png)
您最近一年使用:0次
7 . 已知等比数列
的前n项和为
,且对
,
恒成立,
,
.
(1)求数列
的通项公式及前n项和
;
(2)设
,求证:
.
![](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/0f8365233f341451598eb50525a1557a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef64850887c5c8cad4d574b0b09307a9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c0863cf59114f905e9ad3debc5572792.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ccdc17b603871d20843ffccca2df0ae.png)
(1)求数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b00f934ec9aa1208cb375e7559070880.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f8a6c48963c5e6f2e9f412d08c49469.png)
您最近一年使用:0次
2022-12-08更新
|
538次组卷
|
3卷引用:湖北省襄阳市第四中学2022-2023学年高二上学期第三次月考数学试题
8 . 已知数列
满足
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96f0115bcbf10784721f6c33232a19a4.png)
(1)求证:
;
(2)设
,求
的前
项和
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1bae03ee4ac75dacfb026290e4207dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96f0115bcbf10784721f6c33232a19a4.png)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3748c0d6b9571cecbb8db05112e042ec.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/faff0765dc0f0056f938aa2722b9bedb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/575d5d5b739ba6a75bf9392c0bb6dd2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1ae9a3b0b7aeb1545b65d91aa371b3c.png)
您最近一年使用:0次
名校
解题方法
9 . 已知正项数列
的前
项和为
,且
.
(1)求数列
的通项公式;
(2)设
,若数列
满足
,求证:
.
![](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/5074612e1dd3a0ddf6db18405acd584f.png)
(1)求数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e386caa6ec944beb21807a845ca2845.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57ef6d44448092ebdb9e4a49d866a749.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34edf5affc9cf05e828e6c2ee73e1891.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5427ea64f4816f07721175ce2e95c15e.png)
您最近一年使用:0次
2023-05-12更新
|
3173次组卷
|
8卷引用:湖北省鄂东南省级示范高中教育教学改革联盟学校2023届高三下学期5月模拟联考数学试题
名校
解题方法
10 . 记
为数列
的前
项和,已知
,
.
(1)求证:数列
为等比数列;
(2)若
,则求数列
的前
项和
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](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/b065334d8f60c49f4bd3d9f1373fe4cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b60d44ee0132e20cb136f374b01589a1.png)
(1)求证:数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e2de706dc5f0439b989273a5367f63a.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aabf1e83bb988452f3307da865ccd119.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1ae9a3b0b7aeb1545b65d91aa371b3c.png)
您最近一年使用:0次
2023-01-13更新
|
1440次组卷
|
4卷引用:湖北省武汉市华中师范大学第一附属中学2022-2023学年高二上学期期末数学试题
湖北省武汉市华中师范大学第一附属中学2022-2023学年高二上学期期末数学试题江苏省南京市宁海中学2022-2023学年高三下学期二月检测数学试题(已下线)高二下学期第一次月考模拟试题(提高卷)-【同步题型讲义】2022-2023学年高二数学同步教学题型讲义(人教A版2019选择性必修第二册)山东省滨州市滨州实验中学2023-2024学年高二上学期期末模拟数学试题