名校
解题方法
1 . 设
,
,
为虚数单位,若
是关于
的二次方程
一个虚根,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/934d37c81b2266c7b86bcc11afaf5f91.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb2bfd46447bdc5f025323d3cf5c008c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a7035cd4adda5d72a9fc9f9fda75995.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/616097c2b64a0a2777aa38abc70d0e92.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dffd64316ab5cd086e8b8dc8a5bfe994.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/934d37c81b2266c7b86bcc11afaf5f91.png)
您最近一年使用:0次
7日内更新
|
311次组卷
|
2卷引用:湖南省常德市沅澧共同体2023-2024学年高二下学期期中考试数学试题
名校
2 . 设定义在
上的函数
,则不等式
的解集是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ead3fdcb8fe8f5eb3dbe7d96cabc28b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa90928d2b99c10f86cd472b590e579f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df9850dfbd2bab54356612470fda2e1b.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2024-06-14更新
|
457次组卷
|
2卷引用:湖南省衡阳市第一中学2024年高二下学期期中考试数学试卷
名校
解题方法
3 . 记等差数列
的前
项和为
,已知
,且
.
(1)求
;
(2)若对于任意的
恒成立,求实数
的取值范围.
![](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/86fc336b4a83bf6d66c4afcc431597f8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc867f18403bdac78525e35c31dec8c7.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
(2)若对于任意的
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6cf32dbdd19b75bd2d2820ebad493f2f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
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4 . 已知函数
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83016b99d34982a8d22712640d5c28f3.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c90ecd2d344e7b1c5ac463f9c9b53a3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83016b99d34982a8d22712640d5c28f3.png)
您最近一年使用:0次
名校
5 .
的单调递减区间为_______
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/847fdabe1ef704a87347d2d2fb46657c.png)
您最近一年使用:0次
名校
6 . 已知函数
为奇函数.
(1)求
的值;
(2)当
时,求
的单调区间和极值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc06f4396f370d80b65f7c8ec74fc551.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
您最近一年使用:0次
名校
解题方法
7 . 若
,则
的值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/536e072eb0439a5e5b430cd55a129374.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f0261fadcfcf76df2086d532c7b4a6c.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
名校
解题方法
8 . 若函数
是定义在
上的奇函数,且
在
上单调递增,
,则满足不等式
的
的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3ed15aa3dcc4211fb520b5b942c989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/870ebc2f7aabb028024894568d749934.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25323b9ea0c48b15cadf4ee916aed649.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/499f29be7db3f98074a12bf45fa1924b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
名校
解题方法
9 . 设数列
的前
项和为
,且
(
为常数),则下列命题为真命题的是( )
![](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/bebbcf04c025450148aa348ed213a27f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
A.若![]() ![]() |
B.若![]() ![]() |
C.若![]() ![]() |
D.若![]() ![]() |
您最近一年使用:0次
名校
解题方法
10 . 已知
为虚数单位,若
为纯虚数,则实数
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a7035cd4adda5d72a9fc9f9fda75995.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/62db1baa8633c1cccba66b1bd34a86d8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
A.1 | B.2 | C.3 | D.4 |
您最近一年使用:0次