解题方法
1 . 已知
,
满足
,
,则
值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f680a367822167d6eedc8f48259e750.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b5a9db277a1a2e97b43506f76f82eea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f8f798a9af75a091a8be0b71f2038260.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
解题方法
2 . 设集合
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a102f8fb9b848e638d3d766b230bcd5c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eaf80f71945274b955cd9a0915b7e545.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
解题方法
3 . 在
中,内角A,B,C所对的边分别为a,b,c,且满足
.
(1)求a;
(2)若
,
,求
的面积S.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa9f04d7d752ca9fb9e3d614e710e644.png)
(1)求a;
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ffc4fdd66d4c53d930e5d9e6687d9ca8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/264381eddf150479287e20be0007ef90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
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名校
解题方法
4 . 若函数
在
的最大值为2,则
的取值范围是_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a282062bc35dc7a7363e07bdd7a9a4c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e11f4ca0e7ace69f92130d0525bcdb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
2024-01-07更新
|
412次组卷
|
3卷引用:江苏省镇江市扬中市第二高级中学2024届高三上学期期末模拟数学试题(一)
5 . 已知数列
的前
项和为
,且
.
(1)证明数列
为等差数列,并求出
的通项公式;
(2)设数列
,问是否存在正整数
,使得
,若存在,求出所以满足要求的
的值;若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63d471926f7b27322d90c82b9ce21d3d.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/f2c32809639581820a3a3f5933881edd.png)
(1)证明数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63d471926f7b27322d90c82b9ce21d3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63d471926f7b27322d90c82b9ce21d3d.png)
(2)设数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c353e3ecee2b92b8771bad5741b96a7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8417c49892db4fd2e908953f19a2a4df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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2024-01-07更新
|
789次组卷
|
2卷引用:江苏省镇江市扬中市第二高级中学2024届高三上学期期末模拟数学试题(一)
名校
解题方法
6 . 在平面直角坐标系
中,点F是双曲线
(
,
)的右焦点,过F作双曲线C的一条渐近线的垂线,垂足为A,延长
与双曲线的左支交于点B.若
,则双曲线的离心率为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c5c2e64358e0ec7aa142c336d970306.png)
![](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/12a477603f3f88c3b48352b6130f9ad5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ffd8c1386586a3c8bdf90ae6a680f242.png)
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2024-01-06更新
|
700次组卷
|
2卷引用:江苏省镇江市句容高级中学2024届高三上学期12月学情调研数学试题
名校
解题方法
7 . 如图,已知正方体
的棱长为2,点P是线段
的中点,点Q是线段
上的动点(不含端点),则下列结论正确的是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/9/589ea16d-01db-4050-88b5-7ff1225adb2b.png?resizew=152)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7f6f93171329d508d491143b9d71f7b.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/9/589ea16d-01db-4050-88b5-7ff1225adb2b.png?resizew=152)
A.![]() ![]() |
B.Q到平面![]() ![]() |
C.![]() ![]() ![]() |
D.三棱锥![]() ![]() |
您最近一年使用:0次
2024-01-06更新
|
1010次组卷
|
4卷引用:江苏省镇江市句容高级中学2024届高三上学期12月学情调研数学试题
江苏省镇江市句容高级中学2024届高三上学期12月学情调研数学试题(已下线)重难点6-1 空间角与空间距离的求解(8题型+满分技巧+限时检测)福建省泉州市实验中学2023-2024学年高二上学期1月考试数学试题江西师范大学附属中学2023-2024学年高二上学期期末数学试卷
解题方法
8 . 在平面直角坐标系中,
为坐标原点,
,
,点
满足
,则
的最大值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a31ecb30e3cb9498d2c9ba69feffbd1c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9c708dcb08091147853647e563a9800.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6d8aeb20960d1f0386c0ee5674f7018.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6ae69efe88da3cd013bbcfa756cf812.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
9 . 已知
是定义在R上的函数,且不恒为0,
为奇函数,
为偶函数,
为
的导函数,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d7661d3fc28f785b438ad8c8f9d240a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92146c133ba2bdbda499f5af2bdda022.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/724340d69477c0ec2418c392b22b1cab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
A.![]() |
B.![]() |
C.![]() ![]() |
D.![]() |
您最近一年使用:0次
10 . 设
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10d1f50d743a2f0160409696e446c31b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59d7c1ea926aecda28b226961e06299f.png)
A.2 | B.1 | C.![]() | D.![]() |
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