1 . 相传古希腊毕达哥拉斯学派的数学家常用小石子在沙滩上摆成各种形状来研究数,并根据小石子所排列的形状把数分成许多类.现有三角形数表按如图的方式构成,其中项数
,第一行是以1为首项,2为公差的等差数列.从第二行起,每一个数是其肩上两个数的和,例如:
;
为数表中第
行的第
个数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4f4c5a9887ac923aaab6dd942cf0273.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f2032083f2e82474fc2ec2d755459a64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a935cfef7ed524cf2ff73fd661e1ea9c.png)
……
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e9a121e0c62dd80c771e0bb057771d4.png)
(1)求第2行和第3行的通项公式
和
;
(2)一般地,证明一个与正整数
有关的命题,可按下列步骤进行:①证明当
时命题成立;②以“当
时命题成立”为条件,推出“当
时命题也成立.”完成这两个步骤就可以断定命题对
开始的所有正整数
都成立,这种方法即数学归纳法.请证明:数表中除最后2行外每一行的数都依次成等差数列,并求
关于
的表达式;
(3)若
,
,试求一个等比数列
,使得
,且对于任意的
,均存在实数
,当
时,都有
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5d0a73f50b3e4583f1c1b6d6bf0d18.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6831b015f2f16c3439bfca2a9ecea6ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2a57936aa3c10e1045536f9c2ad37e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c05b9832b09731a574d4a4adf7448de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7600d2cfbdc6146db96cc545706004f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4f4c5a9887ac923aaab6dd942cf0273.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f2032083f2e82474fc2ec2d755459a64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a935cfef7ed524cf2ff73fd661e1ea9c.png)
……
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e9a121e0c62dd80c771e0bb057771d4.png)
(1)求第2行和第3行的通项公式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aea009aa1b893f59585cc2ec5dfede2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff7e065e93a47524854d9e3e50876b10.png)
(2)一般地,证明一个与正整数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5bb1f8d351dd6d2f27064908a5f00a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16743b46792d3250ede27f695612003a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63ba21f3d0cfc86d40e2e06446623ce0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d7e9f86738335a22298559db41037a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec9d1cd31d3fa069693c285262739a43.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27e07c547da901b07c141cddbe0013fb.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/50218cf491febde222900c18de34037b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4a92d4463e0a56109a13d60b640e0a0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04d63b4673a90a76adf4171e09d0382e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a3454a7c8be5faa3ffaf5cb3ce63f0d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d46708de4fb77ee69d2a5453de0cefa9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/efe9dbc75f393b682c8a90fe7277ab4b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9afaaa196735c0c02f05f97fda5534a4.png)
您最近一年使用:0次
名校
解题方法
2 . 用
表示不超过x的最大整数,例如
,
,
.已知数列
满足
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a10599df5bc625b35e6b609636739a9.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c4f5908d6a1217e493ed7586b6964dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae9feb047004eb507de484a7f8c5b6a0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7fe1e778c9e668594c42b77459328c63.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/933ad926785d6302eb8a4eaac35c46cd.png)
![](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/1dee07a22cdda5f902cefa713698d7be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a10599df5bc625b35e6b609636739a9.png)
您最近一年使用:0次
3 . 已知数列
满足
,
是公差为
的等差数列.
(1)求
的通项公式.
(2)令
,求数列
的前n项和
.
(3)令
,是否存在互不相等的正整数m,s,n,使得m,s,n成等差数列,且
,
,
成等比数列?如果存在,请给出证明;如果不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca4123422b5a6621da6a3214aa8c3e2a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/099a64d86bd0b4602578d910322adc1b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3389f53711264b0acba3ba6019f8b908.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
(2)令
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4dbc3b9ad99da1f31b0a598f6754c7c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1ae9a3b0b7aeb1545b65d91aa371b3c.png)
(3)令
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e92a64999ed95ead1707c7aca94cbbbb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c8f3b95cf758b56f0b94a261272fe82.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8384f67b3cd493b9b1062908c0128214.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e82a4d8875890196df49fc7d6944161e.png)
您最近一年使用:0次
2024-05-11更新
|
260次组卷
|
3卷引用:广东省顺德区北滘中学2023-2024学年高二下学期期中考试数学试卷
广东省顺德区北滘中学2023-2024学年高二下学期期中考试数学试卷广东省佛山市桂城中学2023-2024学年高二下学期第二次段考数学试卷(已下线)专题07 数列通项公式与数列求和--高二期末考点大串讲(人教B版2019选择性必修第三册)
4 . 已知数列
的首项为
,且
,数列
、数列
数列
的前
项和分别为
,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/1789ee9a2337424f196aa46cd1467e69.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41cf1da18d91f7c98086553d157d1a87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e06f3e3a89ed606f4206fb36bb7bc090.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f46f3ac8a1d753bea4cf552978c3a83c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3be456f6c6ab25a93bc1f3705819e8ec.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
5 .
表示正整数a,b的最大公约数,若
,且
,
,则将k的最大值记为
,例如:
,
.
(1)求
,
,
;
(2)已知
时,
.
(i)求
;
(ii)设
,数列
的前n项和为
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4562f3225c98cf5cb11b47d98c9cc9c3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6294a700967de01e6877d686a0e2e79.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4160299bf93e7827b97bc5cbb224958e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4c95177c5f6454d2de54bb7b0c182ae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae4b8114fcc770a8512cf03da137ca4e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9edd29e22f6a7f4d14d9f8d2684d47e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5491950d23d0f3833de05cc3892cacd.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64a7f848e0002222e3fe290e50301e3c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ccc57e5668f2a2c1cbc078a767b6855.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16edf0bda2c47ed55f471a1838cd03dc.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/853030075597faf459bec65cd5e0b910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b8178596507fe45cea77096a53d6395.png)
(i)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ce2bf4a86671ab5cefa4d523d8a0fa2.png)
(ii)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/beafadba27d9c078bae7761a2b383803.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1ae9a3b0b7aeb1545b65d91aa371b3c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/47b61920582cc3edd43e273e0cbfa1d4.png)
您最近一年使用:0次
2024-03-26更新
|
1840次组卷
|
8卷引用:广东省佛山市顺德区第一中学西南学校2023-2024学年高二下学期第一次月考数学试卷
广东省佛山市顺德区第一中学西南学校2023-2024学年高二下学期第一次月考数学试卷四川省成都市实验外国语学校2023-2024学年高二下学期第一次阶段考试数学试题辽宁省重点高中沈阳市郊联体2023-2024学年高二下学期4月月考数学试卷(已下线)模块五 专题3 全真能力模拟3(人教B版高二期中研习)(已下线)模块四专题6重组综合练(四川)(8+3+3+5模式)(北师大版高二)福建省泉州市2024届高三质量监测(三)数学试题(已下线)压轴题05数列压轴题15题型汇总-3重庆市第十一中学校2023-2024学年高三第九次质量检测数学试题
6 . 英国数学家泰勒发现的泰勒公式有如下特殊形式:当
在
处的
阶导数都存在时,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/661a2ffa74a30c0b1c0a0ea0fdc8bb3c.png)
.注:
表示
的2阶导数,即为
的导数,
表示
的
阶导数,该公式也称麦克劳林公式.
(1)根据该公式估算
的值,精确到小数点后两位;
(2)由该公式可得:
.当
时,试比较
与
的大小,并给出证明;
(3)设
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb45f673c56a289ea78831c9237e8d20.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f1d8cb672db61735be7cbcd3d50bf9e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/661a2ffa74a30c0b1c0a0ea0fdc8bb3c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/daa5e9bd516f6282483b92cfe6074623.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10acd6d864583617dd3e71240bf0c857.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/724340d69477c0ec2418c392b22b1cab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35993bd1db970330494665d925c0be7a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
(1)根据该公式估算
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f67aace59c071f37a444495678497ef0.png)
(2)由该公式可得:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63ba15a427babacf319deb9c4dd8d58b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6e2e79843faf62dde86bf858d1e0569.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ea093173f74807332e08bde42f25e22.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/efd9f874878e11c3fa25143023e8f95a.png)
(3)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af5cf9c12181dd8683944b2b30bf8e08.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa80dea5928f0be2b39075a434742686.png)
您最近一年使用:0次
2024-03-14更新
|
3417次组卷
|
13卷引用:广东省东莞市外国语学校2023-2024学年高二下学期第一次阶段性考试(4月)数学试题
广东省东莞市外国语学校2023-2024学年高二下学期第一次阶段性考试(4月)数学试题江苏省连云港市东海高级中学2023-2024学年高二下学期强化班第一次月考数学试题河南省南阳市西峡县第一高级中学2023-2024学年高二下学期第一次月考数学试卷安徽省蚌埠市第二中学2023-2024学年高二下学期3月月巩固检测数学试题江苏省苏州市张家港市沙洲中学2023-2024学年高二下学期3月阶段性测试数学试题山西省晋城市第一中学校2023-2024学年高二下学期第二次调研考试数学试题吉林省长春市第二中学2023-2024学年高二下学期第一学程考试(4月)数学试题广东省深圳市2024届高三下学期三模数学试题湖北省八市2024届高三下学期3月联考数学试卷(已下线)第10题 导数压轴大题归类(2)(高三二轮每日一题)河南省许昌市禹州市高级中学2024届高三下学期4月月考数学试题(已下线)压轴题05数列压轴题15题型汇总-1甘肃省兰州市第五十八中学2024届高三第二次高考仿真考试数学试题
7 . 已知数列
满足:
,正项数列
满足:
,且
,
,
.
(1)求
,
的通项公式;
(2)已知
,求:
;
(3)求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f51d2d57bb9a400d2051f325b614419.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68783e644e41b5a3aac4e81d44ba5f6b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ffaa768f1232ff14bcd2cdd438ce53a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e1273751a0b5a984cf01c2d0e00e474.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb27d03d22ec55dbf33d6d9d3c44854f.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03e0c7c3411a1f192200d24f7161d4a8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11ca23ce02583bd8fe3b9d06d99e0e3c.png)
(3)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dacb1f9b17bb176ab57962aa783179ad.png)
您最近一年使用:0次
2024-03-03更新
|
1292次组卷
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4卷引用:广东省珠海市斗门区第一中学2023-2024学年高二下学期第一次月考数学试题
广东省珠海市斗门区第一中学2023-2024学年高二下学期第一次月考数学试题江西省南昌市第十九中学2023-2024学年高二下学期3月月考数学试题天津市南开中学2024届高三第四次月检测数学试卷(已下线)模型2 用放缩思想速解不等式证明问题模型(高中数学模型大归纳)
8 . 同余定理是数论中的重要内容.同余的定义为:设a,
,
且
.若
则称a与b关于模m同余,记作
(modm)(“|”为整除符号).
(1)解同余方程
(mod3);
(2)设(1)中方程的所有正根构成数列
,其中
.
①若
(
),数列
的前n项和为
,求
;
②若
(
),求数列
的前n项和
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/538f8c7f224b743a48128033066b34cc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f6b18b109a656b62fb173680ae99ca7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e34f42b3be15518c29e3689c9fe6d6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58d71082924d5b4349c3b0152930b7b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a07e47345c46575e63ff4c3df4557bc.png)
(1)解同余方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44b31b29e7f0705c981bd91329bcfee7.png)
(2)设(1)中方程的所有正根构成数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c002c44d45907aad22da19859193270b.png)
①若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5653b60d16ec4e653518f0562680250.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a37a59558292ad6b3d0978bfd7484990.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/addee6ce5163a2580888ce2da22714af.png)
②若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91ac8a1dc1eda952f7145a08c047ebf6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a37a59558292ad6b3d0978bfd7484990.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57ef6d44448092ebdb9e4a49d866a749.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1ae9a3b0b7aeb1545b65d91aa371b3c.png)
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2024-02-03更新
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2845次组卷
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9卷引用:广东省揭阳市普宁市华美实验学校2023-2024学年高二下学期第一次阶段考试数学试题
广东省揭阳市普宁市华美实验学校2023-2024学年高二下学期第一次阶段考试数学试题湖北省武汉市华中师大第一附中2023-2024学年高二下学期数学独立作业(一)重庆市万州二中教育集团2023-2024学年高二下学期入学质量监测数学试题(已下线)黄金卷08(2024新题型)安徽省合肥市第一中学2024届高三上学期期末质量检测数学试题(已下线)压轴题函数与导数新定义题(九省联考第19题模式)练(已下线)新题型01 新高考新结构二十一大考点汇总-3(已下线)题型18 4类数列综合浙江省部分学校联考2024届高三高考适应性测试数学试题
9 . 已知数列
满足
.
(1)求
的通项公式;
(2)若
的前
项和为
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08d0c143a2df6a95446b50ae3c1678d3.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
(2)若
![](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/105de1b20942840a12712c6795a05e1b.png)
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3卷引用:广东省高州市某校2023-2024学年高二上学期期末学情数学练习卷
广东省高州市某校2023-2024学年高二上学期期末学情数学练习卷贵州省铜仁第一中学2023-2024学年高二下学期2月开学适应性模拟检测数学试题(已下线)专题05选择性必修三+选择性必修四期末考点汇总(12题型)-2
10 . 符号
表示不超过实数
的最大整数,如
,
.数列
满足
,
,
.若
,
为数列
的前
项和,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2ab85825d4a002600ca41bd3cd2ee7d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e75f5c6e0605197e81c35265805178c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dfc71c13bbb73a430ffac399777c0a4d.png)
![](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/d1928c254cfada1f75a5cd1e34db5a63.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37d845281cd834068104af1b1aa6027c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bcd7cc8990ee09bc1eaa63abf65fb4c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/457a2f7b67785ed346bfed5e2a82487c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6878446d4e1d8f4bd27b98ac7b3bde3e.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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