名校
解题方法
1 . 已知
.则下列结论正确的有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65ce4eef83cf8c2009cc3d99776b0123.png)
A.![]() ![]() | B.![]() ![]() |
C.![]() | D.![]() |
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2 . 已知函数
.
(1)讨论
的单调性;
(2)当
时,
恒成立,求
的取值范围;
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29ac7e3b2727eda190e3db76098b86af.png)
(1)讨论
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6e2e79843faf62dde86bf858d1e0569.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e2405c4822bceae1cf191edb502d3b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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3 . 已知数列
的前
项和为
,
,
,对于任意的
,
,不等式
恒成立,则实数
的取值范围为__________ .
![](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/b065334d8f60c49f4bd3d9f1373fe4cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ef3f4fd9d7ea6f1512948f1d68756eb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8a111628c5ea54305dba24105b84900.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a37a59558292ad6b3d0978bfd7484990.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a36edf9da85238914aea6c46b0f4575b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
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2024-05-08更新
|
448次组卷
|
2卷引用:江西省宜丰中学2023-2024学年高二下学期4月期中考试数学试题
名校
4 . 在正项等比数列
中,已知
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a4301f6c329e4774ffa7a8f0fbfc80d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/494d81219e204327b1df6cbc9891df59.png)
A.2 | B.4 | C.6 | D.8 |
您最近一年使用:0次
2024-05-08更新
|
587次组卷
|
2卷引用:江西省宜丰中学2023-2024学年高二下学期4月期中考试数学试题
解题方法
5 . 函数
的极值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f63f08e4e3fe8e96c7d567dea81faa8.png)
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6 . 下列求导结果错误的是( )
A.![]() | B.![]() |
C.![]() | D.![]() |
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名校
解题方法
7 . 已知函数
,则
的取值范围为_______
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a06915972279d098e33ca1bab2d1710d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
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解题方法
8 . 数列
的前n项和为
,
,则
的值为( )
![](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/1084de3c9c63eab44ed0a85a1a8d83c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d27182444d3da4003680f07ec299087c.png)
A.20 | B.25 | C.30 | D.35 |
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9 . 已知数列
满足
,
,且
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c0bbb67593c95bab93ff67145ae95ea3.png)
(1)求证:数列
是等比数列;
(2)求数列
的通项公式;
(3)已知
对于
恒成立.求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ed4652071a68a7ab141aef31f167bba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/28652e52c0b02a343e618935ea625cbf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b13a6e1d671215fc96e4bee3541d1096.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c0bbb67593c95bab93ff67145ae95ea3.png)
(1)求证:数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95ddd5f5f216d617363dc388a4fba678.png)
(2)求数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
(3)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe2e46e0bdb59d46057c66db27e70459.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/02efa6f1dc514a278597ed9ccfe42127.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f8fcb710bdd29fb50238419de2faf104.png)
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解题方法
10 . 已知某曲线方程为
,其中a,
,a与b可以相等,则下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/351d429d1e666f9bf4b1e4b653b3ef4f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f9bc37fb76a52e7b9aee79242e1423b.png)
A.该曲线为圆的概率为![]() | B.该曲线为椭圆的概率为![]() |
C.该曲线为双曲线的概率为![]() | D.该曲线为抛物线的概率为![]() |
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