名校
1 . 已知
的内角
,
,
的对边分别为
,
,
,若
,
,
,则
边上的中线
是长为_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f08ce80e91fdf435a8e3ec05be990e9d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23725094c363fd158166a8698971694c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60b97bb18e5ca34d22b5e827316a122a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
您最近一年使用:0次
2024-04-10更新
|
314次组卷
|
7卷引用:江苏省淮安市高中校协作体2024届高三上学期期中联考数学试题
江苏省淮安市高中校协作体2024届高三上学期期中联考数学试题(已下线)专题14 解三角形求角问题(已下线)专题03 解三角形(解密讲义)(已下线)黄金卷07黑龙江省齐齐哈尔市第八中学校2023-2024学年高一下学期期中考试数学试卷(已下线)第14讲 拓展二:三角形中线,角平分线问题-【帮课堂】(人教A版2019必修第二册)广东省东莞市嘉荣外国语学校2023-2024学年高一下学期3月月考数学试卷
解题方法
2 . 设
是定义域为
的偶函数,且
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a43b2faa4f81f32d94612dce724e772b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86d78dec1c1e00ec02d7bdaf76ef8901.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5215a578933ba72022450a6d3a37d14.png)
A.0 | B.1 | C.2023 ` | D.无法确定 |
您最近一年使用:0次
解题方法
3 . 设
是定义域为
的可导函数,若存在非零常数
,使得
对任意的实数
恒成立,则称函数
具有性质
.则( )
![](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/df64046e91b047037f19e4032e3b6de3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dadc8b57a281ae5061c001d3812b7359.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d81241dcb67b26bf75b05bdc945a20c3.png)
A.若函数![]() ![]() ![]() ![]() |
B.若![]() ![]() ![]() |
C.若![]() ![]() ![]() ![]() |
D.若函数![]() ![]() ![]() ![]() ![]() ![]() |
您最近一年使用:0次
4 . 已知
为虚数单位,复数
满足
,则
的虚部为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a7035cd4adda5d72a9fc9f9fda75995.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf2e2c97febc960b8c1af7881cbd88fd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
A.2 | B.![]() | C.1 | D.![]() |
您最近一年使用:0次
名校
5 . 已知函数
.
(1)讨论
的单调性;
(2)设
为两个不相等的实数,且
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/871bbc0c88332bb2de90f33024da19c2.png)
(1)讨论
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632244ea6931507f8656e1cc3437d392.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/530a664e40a51a906ac10e44ff360807.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ada0ecff751d0cda00141ef7b598570.png)
您最近一年使用:0次
2023-12-15更新
|
515次组卷
|
2卷引用:江苏省淮安、南通部分学校2023-2024学年高三上学期11月期中监测数学试题
名校
解题方法
6 . 已知
,
,若
,则
的最小值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67ca5fd57c2c2fcc3c7a574fdd1467d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3de6fcb38854c3d2dd97be5793c61952.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/219ba6c8a1b54598db1a78cab28d9d30.png)
A.2 | B.4 | C.![]() | D.9 |
您最近一年使用:0次
2023-12-14更新
|
710次组卷
|
3卷引用:江苏省淮安市楚州中学、新马中学2024届高三上学期期中联考数学试题
解题方法
7 . 设
,
为实数,且
,下列不等式中一定成立的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da1ee853514dbbacd7f73bc3b299ceff.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
8 . 设定义在
上的函数
的导函数为
,已知
,且
,若关于
的不等式
的解集中恰有一个整数,则实数
的取值范围是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d562dc22dfb3b81d0c3f88b54d063c2f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/724340d69477c0ec2418c392b22b1cab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52a66d161030ad93973d77b1c53dec8f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/249a976e88133f3b3733f09137cf5c42.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14f1dea54bfa1ed8efd9dec17cf71417.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
解题方法
9 . 在棱长为2的正方体
中,点
是棱
的中点,点
在底面
内运动(含边界),则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0a851907ada2ac2c3c4880a6736d28a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
A.若![]() ![]() ![]() ![]() |
B.若![]() ![]() ![]() |
C.若![]() ![]() ![]() |
D.若直线![]() ![]() ![]() ![]() ![]() |
您最近一年使用:0次
10 . 如图,函数
(
)的图象与
轴相交于
,
两点,与
轴相交于点
,且满足
的面积为
,则下列结论正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb6c29adcdc93999939095b0a165c431.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4456675a5dbe545462a22cef9aca8fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e428e7a09732be85c1224e9c8f6a71c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5170e87322172ef27379adb171d4b76e.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/15/e11e0e19-d60e-4e2f-b5a9-ea3a5ab42af7.png?resizew=99)
A.![]() |
B.函数![]() ![]() ![]() |
C.![]() ![]() ![]() |
D.将函数![]() ![]() ![]() |
您最近一年使用:0次