1 . 已知圆
,若圆
的过点
的三条弦的长
,
,
构成等差数列,则该数列的公差的最大值是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cdbfe66995550a584f699195a490bb95.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4792620bc9322ef5b1767609c6db1742.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e72adb45c60c2f63b46e65ff787302bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e88093a749c0d46e0ee931ecfaff925.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c1ccc6c74b8754e9bcbb3f39a11b6f1.png)
您最近一年使用:0次
2022-02-18更新
|
562次组卷
|
4卷引用:江苏省徐州市2021-2022学年高二上学期期末数学试题
名校
2 . 已知等比数列
的前n项和为
,且
,
.
(1)求数列
的通项公式;
(2)在数列
中的
和
之间插入i个数
,
,
,…,
,使
,
,
,
,…,
,
成等差数列,这样得到一个新数列
,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/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ccdc17b603871d20843ffccca2df0ae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac6d1efd3941424cde5a36ff6d0b3290.png)
(1)求数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
(2)在数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/50a272adba0f1120109824440f0e252c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb529d0fe77e64c70c64586c308f4767.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77ab1256702aef4e9f1a5eb6c12ecc96.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1fbd67f60f04c278bdd867fdb3979dfb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a34aea9f11eb0421ff2b6b576a4823d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a584b6ad5577ab3e2d22caf23e3c32b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/50a272adba0f1120109824440f0e252c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77ab1256702aef4e9f1a5eb6c12ecc96.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1fbd67f60f04c278bdd867fdb3979dfb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a34aea9f11eb0421ff2b6b576a4823d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a584b6ad5577ab3e2d22caf23e3c32b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b8d5b6045219ea4527202ab131bb2e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.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/a4537fdbb4055cb3d0129526cc93cecd.png)
您最近一年使用:0次
2022-02-15更新
|
1141次组卷
|
5卷引用:山东省滨州市2021-2022学年高三期末数学试题
山东省滨州市2021-2022学年高三期末数学试题江苏省苏南三校2022届高三下学期2月阶段调研数学试题江苏省南京市第五高级中学2022届高三下学期一模数学试题山东省邹平市第一中学2024届高三上学期1月月考数学试题(已下线)湖北省武汉市(武汉六中)部分重点中学2024届高三第二次联考数学试题变式题17-22
3 . 已知
且满足
,
,
成等差数列,则下列说法正确的有( ).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d2d95d99b1276616457a04f5ab36c98.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b04da7eac640b5b735da7fb5da8cfd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa56c2c2c6c3aefa3b9cc09f81595e87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57a54b9b51e8405afcb36af1d9ec59e4.png)
A.若![]() ![]() |
B.若![]() ![]() ![]() |
C.若![]() ![]() ![]() ![]() ![]() ![]() |
D.若![]() ![]() ![]() ![]() ![]() |
您最近一年使用:0次
4 . 设等差数列
的前
项和为
,若
,则满足
的正整数
的值为__________ .
![](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/77d8736b9d33e2f504d8eb71af4636b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a8e1bb201b13f61d9f8916f20925439.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
您最近一年使用:0次
2022高三·北京石景山·专题练习
名校
解题方法
5 . 已知椭圆
上有
个不同的点
,
,
,
,
.设椭圆的右焦点为
,数列
是公差大于
的等差数列,则
的最大值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6cae00bdc6f8b564b6b15b32572c848b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2708fa6298e52f617383efc175b71ddc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b9cb8e6ff801523b0304576cd69fd2d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/797e67927616b141ed7c6b83f8b6f4fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07096af3b99fd1cb11c31f19a2c6408e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf83e20035c3afd6d26ebfd53d768a70.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1657c65ebac1de662a9dd519106cd035.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90b560e7bd20817cfe01201e768b8140.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
A.2007 | B.2006 | C.1004 | D.1003 |
您最近一年使用:0次
2021-09-29更新
|
723次组卷
|
4卷引用:专题7.18 数列与解析几何的综合-2022届高三数学一轮复习精讲精练
(已下线)专题7.18 数列与解析几何的综合-2022届高三数学一轮复习精讲精练新疆喀什第二中学2021-2022学年高二11月月考数学试题北京市2022届高三普通高等学校招生全国统一考试数学模拟试题(已下线)专题3 解析几何与数列
2022高三·北京石景山·专题练习
解题方法
6 . 椭圆
上有
个不同的点
,
,
,
,椭圆的右焦点为
,数列
是公差大于
的等差数列,则
的最大值是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6cae00bdc6f8b564b6b15b32572c848b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2708fa6298e52f617383efc175b71ddc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b9cb8e6ff801523b0304576cd69fd2d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07096af3b99fd1cb11c31f19a2c6408e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf83e20035c3afd6d26ebfd53d768a70.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1657c65ebac1de662a9dd519106cd035.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b38c5688914317f4a6eef630cba36d08.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
A.2000 | B.2001 | C.2003 | D.2005 |
您最近一年使用:0次
名校
解题方法
7 . 已知函数
的图象与
轴交点的横坐标构成一个公差为
的等差数列,把函数
的图象沿
轴向左平移
个单位,纵坐标扩大到原来的2倍得到函数
的图象,则下列关于函数
的命题中正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/105968cb877c624009f8f93a3ac41ea5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1ad72d7565699d1ebb741eb0ce12bac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d88591679796c52024d11c4de641bdb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
A.函数![]() |
B.![]() ![]() |
C.![]() ![]() |
D.当![]() ![]() ![]() |
您最近一年使用:0次
名校
解题方法
8 . 设数列
满足
,
,
,
,则满足
的
的最大值是___________
![](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/159847b00a04e4f10791c4c4c9e5fe92.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d0b29d2e24311e3c672ec796d28b385.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15a70b95c53fb6655721e2a8c61f5c2c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/002d5545501ce7abd64ed6999e999575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
您最近一年使用:0次
2021-12-25更新
|
538次组卷
|
2卷引用:江西省景德镇市第一中学2022届高三12月月考数学(理)试题
名校
9 . 在
中,角
所对的边分别为
,若角
依次成等差数列,且
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42acd3ee01d9f843a8579ffb0b7d9d82.png)
____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24e0c10fb103930eabd5fa18e8f9bb06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76f0649064a085fb74c997fb507a9b6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24e0c10fb103930eabd5fa18e8f9bb06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17631aa841d3bed092eaed5b50a3db9c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42acd3ee01d9f843a8579ffb0b7d9d82.png)
您最近一年使用:0次
2021-12-09更新
|
364次组卷
|
3卷引用:重庆市梁平区2022届高三上学期第一次调研考试数学试题
解题方法
10 . 已知
成等差数列,直线
与圆
的位置关系是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac23ba360a717b6c16d2cf0f093715f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6b6e44dd054b54f89e7c237eb1428da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/011d7749d6e811ff452b6debd8d206bd.png)
A.相交 | B.相切 | C.相离 | D.随着t的变化而变化 |
您最近一年使用:0次