2024高三·全国·专题练习
1 . 已知函数
的定义域为
,且满足
(
为函数
的导函数),
,若存在
,使得
,则实数
的取值范围为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6cd50020c0e3198d4a6b2d26a413b1b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0180636f755be941a12f200d968f1b5a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/090a91e4f3c8930674f98a9fa527709b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fdfd98d2f6f0797bd5aee729b9cd680e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94ed2e7e1741062b0a3a20010b4ebcf2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a13b7c666b9a0745158fa5e9d8dc8fe6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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2 . 数列
满足
,
(
).
(1)计算
,
,猜想数列
的通项公式并证明;
(2)求数列
的前
项和;
(3)设
(
),数列
前
项和为
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ea8d0e50065114b05ef2dc1ea1129cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be815a472dbc3112591a3c311750b1ba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a37a59558292ad6b3d0978bfd7484990.png)
(1)计算
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e88093a749c0d46e0ee931ecfaff925.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c1ccc6c74b8754e9bcbb3f39a11b6f1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
(2)求数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/109c4b28048ec9e72ba8ecd6311d9f7e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
(3)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37f87f83fa06ebdc980a6b307d7f54ab.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/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86ea385391aa939b21c3ce2a1437fac4.png)
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3 . 已知定义在
上的可导函数
和
满足:
,且
为奇函数,则导函数
的图象的一个对称中心为__________ .(写出一个即可);若
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/953429ee5defb3a2c68d4ec38405b474.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a43b2faa4f81f32d94612dce724e772b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/921ec0c8166584567ff16e7549a30761.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c6d578f9c98ce402d4cf6e4a23281c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22add663bd26e87d972a10dc5fd9ada1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bc2b7be871fef904c94ef6360ee32bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45a173784888adf2946382fa093ba53a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/953429ee5defb3a2c68d4ec38405b474.png)
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解题方法
4 . 对于有穷数列
,若存在等差数列
,使得
,则称数列
是一个长为
的“弱等差数列”.
(1)证明:数列
是“弱等差数列”;
(2)设函数
,
在
内的全部极值点按从小到大的顺序排列为
,证明:
是“弱等差数列”;
(3)证明:存在长为2024的“弱等差数列”
,且
是等比数列.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ce381e1cb026a858d8c7b94e1754844.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a43a56a30994f7d7e2f15da593b05a56.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(1)证明:数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0a56586686dfb815fe548957ddcfefb.png)
(2)设函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1947fd8b1e5fa9096c13256fdb3a23ed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b7833e32ccdb51745b01fc7877762492.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20655342f9ace8b50a50f5eae6f37beb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20655342f9ace8b50a50f5eae6f37beb.png)
(3)证明:存在长为2024的“弱等差数列”
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
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2024高三下·全国·专题练习
解题方法
5 . 已知
,则
的最小值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b15ea861470c12ba7eafd005c4892c7a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e17f0e8b46abf6e3d0b89a9bf58ec62c.png)
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2024高三·全国·专题练习
6 . 已知各项均为正数的数列
满足
(
),且
,
是数列
的前n项和,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/128a99ca9aa1404613ee170222e5b5f0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15a70b95c53fb6655721e2a8c61f5c2c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25809c4ad8f07e80b10fdb5b40d6dfae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
A.![]() ![]() |
B.![]() |
C.![]() ![]() |
D.![]() |
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7 . 已知函数
(a为常数),则下列结论正确的有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b89efe08483ed26164fc429b0628459.png)
A.当![]() ![]() |
B.若![]() ![]() |
C.当![]() ![]() ![]() ![]() |
D.当![]() ![]() ![]() |
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2024·全国·模拟预测
8 . 已知函数
,则不等式
的解集为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63c210ade9ec72d8184a8ad001e44281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d0fdf83014454a5ef251bd80cd1653d.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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解题方法
9 . 已知函数
.
(1)证明:
时,
恒成立;
(2)证明:
(
且
).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a4dd4be1e37768f832d1e9b9380e779.png)
(1)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf0086b054ef120408acac806a1b1318.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dc9ede2e55724383dd1093fc7fcdb59.png)
(2)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6551d7315962759f2b0693b475fd9bee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/930bc56406e69b785b37a83d48e36724.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0704f453b2de48d36911f7db496bbf82.png)
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2024-04-30更新
|
1535次组卷
|
5卷引用: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)模块一 专题6 导数在不等式中的应用B提升卷(高二人教B版)陕西省汉中市2023-2024学年高三下学期教学质量第二次检测理科数学试卷陕西省汉中市2023-2024学年高三下学期教学质量第二次检测文科数学试卷(已下线)专题1 数列不等式 与导数结合 讲(经典好题母题)
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10 . 已知函数
.
(1)讨论函数
的零点个数;
(2)若函数
有两个极值点
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7cd0ecfcbf251a3531d29038df7f0f9.png)
(1)讨论函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c532b5af7b88f1c21a7584cfac5fea6c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ce7ae90d808f05e86ea063238e4b2f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef0fd6297d9af0dbfaccd08a53054ec5.png)
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