1 . 若数列
满足
,则称该数列为“切线-零点数列”,已知函数
有两个零点1、2,数列
为“切线-零点数列”,设数列
满足
,
,
,数列
的前
项和为
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b2778e2dadff4d91102e6046bb5def8.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/272b44a71d0bec02b3c4f3f05304f942.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b24c2f0837fe6cf4160bc6de2690dbf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ea2fdda67d2a98caafce60658a57c15.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e976c0663fa749ca749f99842d21ca03.png)
![](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/db4f51458f7e8c92a2a3c865f1d18b21.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a0998bd7bdcf49633c773084eea9317.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/9b2778e2dadff4d91102e6046bb5def8.png)
您最近一年使用:0次
2023-03-10更新
|
869次组卷
|
5卷引用:上海市南模中学2023届高三下学期5月月考数学试题
名校
解题方法
2 . 设自然数
,若由n个不同的正整数
,
,…,
构成的集合
满足:对集合S的任何两个不同的非空子集A、B,A中所有元素之和与B中所有元素之和均不相等,则称集合S具有性质P.
(1)试分别判断在集合
与
是否具有性质P,不必说明理由;
(2)已知集合
具有性质P.
①记
,求证:对于任意正整数
,都有
;
②令
,
,求证:
;
(3)在(2)的条件下,求
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3bcfc48f9bc23cc43085bdb910e7a136.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/96abfe2da27a63e6affb19a0c80236d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/192fc415cb8db504ffb1ad939981b7a2.png)
(1)试分别判断在集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/869ae0235255b84ece86c8bd81939067.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/afc5cbe002e669214c4c1597bc8b0caf.png)
(2)已知集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/192fc415cb8db504ffb1ad939981b7a2.png)
①记
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31295a254d093889374c947aa881a308.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53b4b3879d1c6debf0333008f686634e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87270dc51105d272c6f76af461d08457.png)
②令
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35e9ca7e90d47d7ee295338bbac2d8d0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa81f4cef9531213df1b3261295508eb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1557d3b215f58330d34827b134ad2925.png)
(3)在(2)的条件下,求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/749877d42d1984fb42369b7bb4e376c7.png)
您最近一年使用:0次
名校
解题方法
3 . 已知数列
是公差不为0的等差数列,
,数列
是等比数列,且
,
,
,数列
的前n项和为
.
(1)求数列
的通项公式;
(2)设
,求
的前n项和
;
(3)若
对
恒成立,求
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40f4e1236d7dc0366d9523d0cbb426be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3aaee408bdec05bbdfcd4b841a331e61.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb48207e371cd9a64a26c5d29f7676e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d30e94689c4871fc03262535d4298d6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
(1)求数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6041242cf842d7a5cb001ef99ea61aa6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57ef6d44448092ebdb9e4a49d866a749.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1ae9a3b0b7aeb1545b65d91aa371b3c.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8eab2178710154825426f2a5853dbb2c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1933b7c3ace69622339353431c519b13.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/06430886275f5ad62bcda62fce691e99.png)
您最近一年使用:0次
2021-01-11更新
|
1062次组卷
|
9卷引用:上海市南模中学2017届高三上学期9月初态考试数学试题
上海市南模中学2017届高三上学期9月初态考试数学试题江苏省扬州市新华中学2020-2021学年高二上学期10月阶段性测试数学试题2015届上海市青浦区高三上学期期终学习质量调研数学试卷上海市四校(闵行外国语学校、莘庄中学、嘉定二中、朱家角中学)2019-2020学年高三上学期期中数学试题2020届天津市和平区高考二模数学试题天津市滨海新区七校(塘沽一中等)2021届高三一模数学试题(已下线)专题08 数列的通项、求和及综合应用 第一篇 热点、难点突破篇(讲)-2021年高考数学二轮复习讲练测(浙江专用)(已下线)考向18 数列不等式-备战2022年高考数学一轮复习考点微专题(上海专用)(已下线)专题08 数列的通项、求和及综合应用(练)--第一篇 热点、难点突破篇-《2022年高考数学二轮复习讲练测(浙江专用)》
名校
解题方法
4 . 设
是定义在
上的函数,若
,且对任意
,满足![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb08fa4a753b9dae37f3347d3b3dfdba.png)
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b1ebd3d7575930fa453206a1695fb3e.png)
________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a43b2faa4f81f32d94612dce724e772b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f0326ecdf68be22c8868aeffe5f8ac4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24a57996290794e082b21d8f1dfc322a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb08fa4a753b9dae37f3347d3b3dfdba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38152e097b7b074730b2048dae6bc17b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/687a97d9210a57fa8fd205a8ca2b9684.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b1ebd3d7575930fa453206a1695fb3e.png)
您最近一年使用:0次
2020-10-30更新
|
605次组卷
|
2卷引用:上海市南洋模范中学2021届高三上学期9月月考数学试题
5 . 已知数列
的前
项和为
,把满足条件
(对任意的
)的所有数列
构成的集合记为
.
(1)若数列
的通项为
,判断
是否属于
,并说明理由;
(2)若数列
的通项为
,判断
是否属于
,并说明理由;
(3)若数列
是等差数列,且
,求
的取值范围.
![](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/772a40f2fe006d9f15c82eb3fd5b78a7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48f093c61867ee4ce75f951d46b9b123.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63d471926f7b27322d90c82b9ce21d3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
(1)若数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63d471926f7b27322d90c82b9ce21d3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad3919cbdc2edbb3237d379f2b7eeb36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63d471926f7b27322d90c82b9ce21d3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
(2)若数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63d471926f7b27322d90c82b9ce21d3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a78a26e3eeac053424c52ab90f6a3490.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63d471926f7b27322d90c82b9ce21d3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
(3)若数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63d471926f7b27322d90c82b9ce21d3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb6a0be735ff99ec17214e79fab3b8d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e72adb45c60c2f63b46e65ff787302bf.png)
您最近一年使用:0次
2020-06-25更新
|
319次组卷
|
3卷引用:上海市南洋中学2021届高三下学期3月月考数学试题
名校
解题方法
6 . 在平面直角坐标系中,定义
(
)为点
到点
的变换,我们把它称为点变换,已知
,
,
,
是经过点变换得到一组无穷点列,设
,则满足不等式
最小正整数
的值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/75f6138fb762d7fca4c295153b716616.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48f093c61867ee4ce75f951d46b9b123.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb9979465ce76b8582067703b39a0bc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/75a73f95353bb2782779c976a6b82737.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a42795469ed8ba12729fcebd710e8795.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3a4422395ca20fe847419ec569e48b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eddbde5d269189fced4cc478908a6866.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37e5531913e2f170465d8df01795cd51.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05c5bbac2b16b461a28d350728aee67f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/595fd9d54ab549c3462bc7e2be8370a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
A.9 | B.10 | C.11 | D.12 |
您最近一年使用:0次
2020-06-13更新
|
1238次组卷
|
8卷引用:上海市南洋模范中学2020-2021学年高二上学期9月月考数学试题
名校
解题方法
7 . 设正数数列
的前
项和为
,对于任意
,
是
和
的等差中项.
(1)求数列
的通项公式;
(2)设
,
是
的前
项和,是否存在常数
,对任意
,使
恒成立?若存在,求
取值范围;若不存在,说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4be2164a2c67d6163faee87a10942bb.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/cea4ac187cbb465180e89f38250b3970.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5deda1cd6fa436beb194738f75ee1650.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96abfe2da27a63e6affb19a0c80236d9.png)
(1)求数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4be2164a2c67d6163faee87a10942bb.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41851f114b7bf2f00e8d8c95e67c7a07.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1ae9a3b0b7aeb1545b65d91aa371b3c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43b7e7cd571c8cd141cbbfe5d0890bf6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cea4ac187cbb465180e89f38250b3970.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7c0c10f6efb455932e16b9a397692db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
您最近一年使用:0次
名校
8 . 从数列
中可以找出无限项构成一个新的等比数列
,使得该新数列的各项和为
,则此数列
的通项公式为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f58a312af2125e5a09586045ecae1e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43b7e7cd571c8cd141cbbfe5d0890bf6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1985174e05ad371e13cf24d244423da4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43b7e7cd571c8cd141cbbfe5d0890bf6.png)
您最近一年使用:0次
名校
解题方法
9 . 数列
前n项的和为
,且
,
,
;
(1)求数列的通项公式;
(2)求
的值;
![](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/32897d1edf2e70afbe36d2b61bf3c83e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3bce6187f3f11e0ceead8a645f5f9d32.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b065334d8f60c49f4bd3d9f1373fe4cd.png)
(1)求数列的通项公式;
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00ca2805cdf461114216a882ee64d2d1.png)
您最近一年使用:0次
10 . 设无穷等比数列
的公比
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57e2727c0faee8a602bfd908b4607dfc.png)
_____
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7bfb71a22c80ad4ba91d9f229e1349c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c14f9e7a9f2db11cffc3a49224c1f8a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57e2727c0faee8a602bfd908b4607dfc.png)
您最近一年使用:0次
2020-02-09更新
|
77次组卷
|
2卷引用:上海市上海中学2017届高三上学期10月月考数学试题