1 . 已知
的前
项和为
,且满足
.
(1)求
的通项公式;
(2)若数列
满足:
,且
,求数列
的前
项和.
![](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/ba79a343a3f9a1e8f3594150bc55a409.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
(2)若数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59dd6c97d2ee3e74ba5730f1cbcc1d43.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c32c411cc2dd5cc1892c7ce1664c220.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b52c9237cb0b4acc568d4afb12997186.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
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2024-01-31更新
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603次组卷
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2卷引用:重庆市巴蜀中学校2023-2024学年高二上学期期末考试数学试题
解题方法
2 . 已知函数
分别是定义在
上的偶函数与奇函数,且
,其中
为自然对数的底数.
(1)求
与
的解析式;
(2)若对
,不等式
恒成立,求实数
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f8fd1e808e015f4cb43d2e3a0529ac6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a43b2faa4f81f32d94612dce724e772b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1932e92cdf11ff01fa8d131e4d293a51.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/041a7c8fc017f596542c5e6ec7d1c40b.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
(2)若对
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8ee46dbc8a67b9cc550fa80a43cdf13.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58ee7abb23af83b69c8e665932506bab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
名校
3 . 已知定义在
上的函数
.
(1)当
时,解关于的
不等式:
;
(2)若函数
的图象与函数
的图象恰有两个不同的交点,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ac87434324956e4145e38ad92a1aa95.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a142afdfef96c1a809e4995a21f1fe71.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6aa31bac01d53e8a8847a48f246dd003.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a32b93986e6dd3188e42f76351f24dfe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
4 . 已知数列
的首项
,且
,
.
(1)证明:数列
是等差数列,并求出
的通项公式;
(2)记
为数列
中能使
成立的最小项,求出
、
以及数列
的前2023项和.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76aef4cdcb5af742ce28003b7b6c8c20.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ea8d0e50065114b05ef2dc1ea1129cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9fe94ef98279474e806a5c106d5ea69.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8078fcf1cbd3a2b96457605ba0ef566b.png)
(1)证明:数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2c27d009e3ff8ca744c56c0af60e7f1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76aef4cdcb5af742ce28003b7b6c8c20.png)
(2)记
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/829442c6473c94fde041595bc18530d7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f329b217e1051b23f0d61023cdc6e69.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1b092cee81b07b4b7e202a94ef48808.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7936359df4c926b72b48c6fdae55f12d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b76f79be89b8c6227b68eded6b675546.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/138a7d7e12b8571603a8a03b56fbcd17.png)
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5 . 若数列
满足
,
,
,
,则称数列
为
数列,该数列是由意大利数学家斐波那契于1202年提出,此数列在现代物理、准晶体结构、化学等领域都有着广泛的应用.则下列结论错误的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/644f94297a84a8edbda26f1e408444e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/005f1439800a880d7b50ab7c98da9c4e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/613415f9dd1c557595459f2f2399584f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d37baa6b44a7fe407c89ca7e29af4809.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de91b518c7c3e678711f6f73f9830f6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/644f94297a84a8edbda26f1e408444e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ba02930bd597d327a99c825d91ee0e.png)
A.![]() |
B.数列![]() ![]() ![]() ![]() ![]() |
C.记![]() ![]() ![]() |
D.![]() |
您最近一年使用:0次
2024-01-22更新
|
372次组卷
|
2卷引用:重庆市第十八中学2023-2024 学年高二上学期期末考试数学试题
6 . 已知数列
满足:
,其中
,数列
的前
项和是
,下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd52fc5f5073fa0a0a3139ede263fc7d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19339e3904e9541ff26b30ae5f1242b2.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)
A.当![]() ![]() |
B.当![]() ![]() ![]() |
C.当![]() ![]() |
D.当![]() ![]() |
您最近一年使用:0次
2024-01-18更新
|
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|
2卷引用:重庆市巴蜀中学校2023-2024学年高二上学期期末考试数学试题
名校
7 . 已知函数
,
是函数
的4个零点,且
,给出以下结论:①m的取值范围是
;②
;③
的最小值是4;④
的最大值是
.其中正确结论的个数是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22e4db783ccb17ebbf9a83eac9817da2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8ccd22fd0ca1a8e1468329284f91b6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99b946a8ec829a341aa6806a3eb0b9ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3604274ad6707a906eba371a9e884144.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/afa482d7bcaa385bfc3548b42a4bfb60.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43d114d1dce2cabd9c0d07e0054f908a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b96f8127994e5a979ec95ef1f0de19db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2130745c2a1280fbff7b98c82c594b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0467b0675c3ecfb282cc88255284d3e1.png)
A.1 | B.2 | C.3 | D.4 |
您最近一年使用:0次
2024-01-17更新
|
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2卷引用:重庆市部分学校2023-2024学年高一上学期期末联考数学试题
名校
8 . 已知函数
.
(1)求关于
的不等式
的解集,
(2)若对任意的正实数
,存在
,使得
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/caea10925751747f3c862c4ab7c95db4.png)
(1)求关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd06b4f4a794e4fa62d3580066003727.png)
(2)若对任意的正实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36ad23d93c0e20425a3a7f3a8605a61d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/691d1f53d989eb13e2599fedfc746c01.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
2023-11-20更新
|
353次组卷
|
2卷引用:重庆市渝北区两江育才中学校2023-2024学年高一上学期期末模拟数学试题
名校
解题方法
9 . 设数列
满足
,
,记数列
的前n项和为
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e636cb16fed46289f92b91910986cdf6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b13a6e1d671215fc96e4bee3541d1096.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e86a2ba89a04ea35aac8dcf4f3902064.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
2023-09-10更新
|
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3卷引用:重庆市第一中学校2023-2024学年高二上学期期末模拟数学试题
名校
10 . 对任意的正实数a,b,c,满足
,则
的最小值为_____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/383c71d6c2ce3b9fc8d9f5209c3b4840.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e7e62dd9bdfdb3371848de0e0ed9193.png)
您最近一年使用:0次
2023-07-05更新
|
2215次组卷
|
8卷引用:重庆市巴蜀中学校2022-2023学年高二下学期期末数学试题
重庆市巴蜀中学校2022-2023学年高二下学期期末数学试题重庆市乌江新高考协作体2023-2024学年高一上学期期中学业质量联合调研抽测数学试题(已下线)专题训练:基本不等式求最值-【题型分类归纳】(已下线)高一上学期期中考试填空题压轴题50题专练-举一反三系列四川省南充市南充市第一中学2023-2024学年高一上学期9月月考数学试题湖北省武汉外国语学校2023-2024学年高一上学期10月月考数学试题(已下线)专题2-2 基本不等式16种题型归类(2)-【巅峰课堂】题型归纳与培优练(已下线)高一上学期期末考试填空题压轴题50题专练-举一反三系列