名校
1 . 已知数列
是等差数列,且公差
,首项
,且
是
与
的等比中项.
(1)求数列
的通项公式;
(2)设
,求数列
的前
项和
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4ce64685821c3e55c07f151996ca8c3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b065334d8f60c49f4bd3d9f1373fe4cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e0414c0b6fda7fee5eb71976e09da80.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d93c1ae7b22099a5d4c1c4241e5ca18.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93e475b58009937a2660442beecb0faa.png)
(1)求数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/50a813139b92a24e1124ef96e3e485f5.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)
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2019-12-15更新
|
468次组卷
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6卷引用:新疆伊犁哈萨克自治州奎屯市第一高级中学2018-2019学年高二下学期第二次月考数学(理)试题
名校
解题方法
2 . 等差数列
的前
项和为
,且满足
,
.
(1)求
和
;
(2)设
求数列
的前
项和
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7743581de704323479bd177a55ab9d5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3903653955c424d3f6135edc5b47e231.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d046ec9d9aaac508a16462f2980ca18b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9dea12e7026603de7144048c5eee90bd.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96abfe2da27a63e6affb19a0c80236d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/216876de04325fd250c38c485cbc34b7.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)
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2020-11-15更新
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4卷引用:新疆生产建设兵团第四师第一中学2020-2021学年高二上学期期中考试数学试题
名校
3 . 已知数列
中,
且
.
(1)求
的通项公式;
(2)求
的前n项和
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76aef4cdcb5af742ce28003b7b6c8c20.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97034664bd213a31e81b9625f83d0e26.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7223dffd0f58fc7b5e6f953526b5131c.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76aef4cdcb5af742ce28003b7b6c8c20.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8db3b939b44359cb598be2ad8ba78802.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
您最近一年使用:0次
2019-11-21更新
|
552次组卷
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5卷引用:新疆乌鲁木齐市第四中学2018-2019学年高一下学期期中考试数学试题
新疆乌鲁木齐市第四中学2018-2019学年高一下学期期中考试数学试题四川省成都市新都区2019-2020学年高三诊断测试文科数学试题四川省成都市新都区2019-2020学年高三诊断测试理科数学试题2020届宁夏银川市宁大附中高三上学期第四次月考数学(文)试题(已下线)强化卷10(3月)-冲刺2020高考数学之少丢分题目强化卷(山东专版)
名校
4 . 在数列
中,若
,
,
,则该数列的通项为( ).
![](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/ca4123422b5a6621da6a3214aa8c3e2a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3337005beed29feee7e45f88740ec98.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2019-09-02更新
|
2135次组卷
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6卷引用:新疆奎屯市第一高级中学2018-2019学年高一下学期第一次月考数学(理)试题
新疆奎屯市第一高级中学2018-2019学年高一下学期第一次月考数学(理)试题新疆奎屯市第一高级中学2018-2019学年高一下学期第一次月考数学(文)试题(已下线)2019年9月22日 《每日一题》2020年高考文数一轮复习-每周一测山西省朔州市怀仁一中2018-2019学年高一下学期第四次月考数学(文)试题安徽省合肥市第十一中学2019-2020学年高一下学期期中数学试题(已下线)2.2+等差数列(2)(重点练)-2020-2021学年高二数学十分钟同步课堂专练(人教A版必修5)
5 . 已知
是等差数列,
,
.
(1)求
的通项公式;
(2)设
的前
项和
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1928c254cfada1f75a5cd1e34db5a63.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db2c97f55d9ffac66e05017b38c05b9c.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
(2)设
![](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/0251b3518ad2d0fba37a9dd62f92b81c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
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2019-08-21更新
|
1209次组卷
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11卷引用:新疆生产建设兵团农八师一四三团第一中学2018-2019学年高一下学期期中考试数学试题
新疆生产建设兵团农八师一四三团第一中学2018-2019学年高一下学期期中考试数学试题新疆乌鲁木齐第四中学2021-2022学年高二上学期期中考试数学试题河南省林州市第一中学2019-2020学年高二9月月考数学试题四川省双流中学2019-2020学年高一下学期开学考试数学试题四川省成都市双流中学2019-2020学年高一(下)开学数学试题西藏山南市第二高级中学2021届高三上学期第三次月考数学(文)试题宁夏银川贺兰县景博中学2020-2021学年高一下学期期末数学试题黑龙江省大庆实验中学2021-2022学年高二上学期期末考试数学试题四川省绵阳市开元中学2021-2022学年高一下学期半期质量检测理科数学试题四川省绵阳市开元中学2021-2022学年高一下学期半期质量检测文科数学试题广西南宁市第十五中学2019-2020学年高二上学期期中段考数学试题
名校
6 . 已知
是方程
的两根,数列
是递增的等差数列,数列
的前
项和为
,且
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee015140164f2847982b7c22454be947.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e26ec29f5cc2c855f97158fdedc2cca9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.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/d6b58b1b40f9d14f8fc51c908904b3e2.png)
(1)求数列的通项公式;
(2)记,求数列
的前
和
.
您最近一年使用:0次
2019-08-21更新
|
1138次组卷
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2卷引用:新疆生产建设兵团农八师一四三团第一中学2018-2019学年高一下学期期中考试数学试题
名校
解题方法
7 . 已知数列
为递增的等差数列,其中
,且
成等比数列.
(1)求
的通项公式;
(2)设
记数列
的前n项和为
,求使得
成立的m的最小正整数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8a0eecb5b800fce9ae10aed86ffee62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a18556fda4a825861f1170cdeb059ff.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96a8573e79f14e9393b4809ed58692ab.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/86052f774cc912ec51289afbfe6c6676.png)
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2019-08-14更新
|
5359次组卷
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8卷引用:新疆伊犁州奎屯一中 2018-2019学年高一(下))第二次月考数学试卷(理科)
解题方法
8 . 已知数列
是公差不为0的等差数列,
成等比数列.
(1)求
;
(2)设
,数列
的前n项和为
,求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12044466337242d3dc2b1583ba9f6847.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96abfe2da27a63e6affb19a0c80236d9.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab297d04423e7650fc2594edf929f77b.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/f1ae9a3b0b7aeb1545b65d91aa371b3c.png)
您最近一年使用:0次
名校
解题方法
9 . 已知等差数列
的前
项和为
且
,在等比数列
中,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/830fc7a02cbc040d5cd71ce19ab37465.png)
(1)求数列
及
的通项公式;
(2)设数列
的前
项和为
,且
,求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4be2164a2c67d6163faee87a10942bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e63774722e7b11331551b05b34c703e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac1daeabe48c6a5a47a84b7adf00bb7a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a27cf1f7f47acd968ef5b623810c37c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5fce83115a50f99e08e9a2db7267aeed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/830fc7a02cbc040d5cd71ce19ab37465.png)
(1)求数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4be2164a2c67d6163faee87a10942bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43b7e7cd571c8cd141cbbfe5d0890bf6.png)
(2)设数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c88a7ef007c78a93e33bd77c4396626.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e63774722e7b11331551b05b34c703e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1ae9a3b0b7aeb1545b65d91aa371b3c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5189c3f5b213468ed3ef5f9d6111abf8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1ae9a3b0b7aeb1545b65d91aa371b3c.png)
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2020-03-24更新
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6卷引用:新疆维吾尔自治区乌鲁木齐市第十一中学2024届高三下学期开学考试数学试题
名校
10 . 已知数列
,
.
(1)若数列
是等比数列,且
,求数列
的通项公式;
(2)若数列
是等差数列,且
,数列
满足
,当
时,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f03b007be99a17613246b5ea1ff86d75.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0aeb1a9aa8df41760718724b665d94a.png)
(1)若数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed87b099e469ad6b0ccdf53c38ad678e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
(2)若数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c40601803c4948d639f25df06f347c28.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95e191086446263b7bbbd93613577c42.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd4ed579b448d7745389ce7b7a4cc96b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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2020-01-30更新
|
158次组卷
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2卷引用:新疆乌鲁木齐市第十二中学2024届高三上学期10月月考数学试题