解题方法
1 . 已知直线l:
为双曲线C:
的一条渐近线,且双曲线C经过点
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/27/18cd4dce-2ede-4748-aecd-b664dcb6698c.png?resizew=178)
(1)求双曲线C的方程;
(2)设A,B是双曲线右支上两点,若直线l上存在点P,使得
为正三角形,求直线AB的斜率的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38cd2a180ae300bbf2388a709e4c28e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3040b6c904477030ecf8ba20b2b18759.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2b7533a441cd11de9f3646ecd9f0c62.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/27/18cd4dce-2ede-4748-aecd-b664dcb6698c.png?resizew=178)
(1)求双曲线C的方程;
(2)设A,B是双曲线右支上两点,若直线l上存在点P,使得
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a855335176fc36a15017f50a8561348.png)
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解题方法
2 . 已知函数
.
(1)若
是函数
的极值点,证明:
;
(2)证明:对于
,存在
的极值点
,
满足
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1947fd8b1e5fa9096c13256fdb3a23ed.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6133358b60e493e01a4c1c0a48d7b89e.png)
(2)证明:对于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d12d0bd9afdd4e53ff37f5bfcaa1106c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aec19b68e3add9d5bfcc6269a1855b87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1974c74aa530c586016005f0b11c82dd.png)
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解题方法
3 . 已知正四面体ABCD,M,N分别是棱AB,CD上的点,且满足
,直线MN的轨迹为曲面
.P,Q,R分别为AB,AC,AD的中点,曲面
与平面PQR的交线为圆锥曲线的一部分,该圆锥曲线的离心率为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2cdc9f4a99b567a6ee4be3943beeddca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bcd8ee2d8367c167d6ae0abc741b6b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bcd8ee2d8367c167d6ae0abc741b6b8.png)
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解题方法
4 . 已知向量
,
满足
,且
的最小值为1(
为实数),记
,
,则
最大值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64c5562bd4d1b54424330cb6329cd79d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b45ba716f03748c19b7ce2f99af536ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3aa3610a990287d3ac756abae406540d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d87b55eab3bacd19aa0319ed3e972a72.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/773a9978316160be2a5f787ee26242cc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fefa570084518a0f78c79a55828e2bc2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/857ae3c1f7063a4a7c88aabf983000ab.png)
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名校
5 . 若复数z满足
(
为虚数单位),则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5271618f8a778c45bff6060904c943e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a7035cd4adda5d72a9fc9f9fda75995.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59d7c1ea926aecda28b226961e06299f.png)
A.-2 | B.-1 | C.1 | D.2 |
您最近一年使用:0次
2022-12-26更新
|
445次组卷
|
3卷引用:2022年9月《浙江省新高考研究卷》(全国I卷)数学试题(三)
解题方法
6 . 已知抛物线
,其焦点
与准线的距离为
,若直线
与
交于
两点(直线
不垂直于
轴),且直线
与
另一个交点为
,直线
与
另一个交点
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/27/61661880-6389-49a0-8287-b55eeb567da2.png?resizew=189)
(1)求抛物线
的方程;
(2)若点
,满足
恒成立,求证:直线
过定点.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04c42d88e496a17562d25195301e0ac2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f8c4c029e552954bd493b49aeab82d5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab609a6574633ebabcff3e73fa862081.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/274cf35acb4a1748d15c39d15a9bea7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4cae70b8a9d2d2e96dea62c00ced04b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/27/61661880-6389-49a0-8287-b55eeb567da2.png?resizew=189)
(1)求抛物线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
(2)若点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d8350efd6636002f417d721fc87a126.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71faccbe39fdc2f5e4cdc5a07538c7ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
您最近一年使用:0次
名校
7 . 已知非零复数
在复平面内对应的点分别为
为坐标原点,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90d860cb86e1467ac24010aecfc7a425.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad46c0b429b7c79d4a9bf6d3ee782e95.png)
A.当![]() ![]() |
B.当![]() ![]() |
C.若![]() ![]() ![]() |
D.若![]() ![]() |
您最近一年使用:0次
2022-12-20更新
|
915次组卷
|
8卷引用:浙江省杭州市2022-2023学年高三上学期期末模拟数学试题
浙江省杭州市2022-2023学年高三上学期期末模拟数学试题(已下线)第20讲 复数的三角形式(已下线)第七章 复数(综合检测卷)(已下线)第19讲 复数的乘、除运算2(已下线)7.2.1复数的加、减运算及其几何意义(精讲)-【精讲精练】2022-2023学年高一数学下学期同步精讲精练(人教A版2019必修第二册)第七章 复数(B卷·能力提升练)-【单元测试】2022-2023学年高一数学分层训练AB卷(人教A版2019必修第二册)(已下线)第12章 复数 单元综合检测--《重难点题型·高分突破》(苏教版2019必修第二册)江苏省盐城市盐城中学2024届高三下学期第一次模拟考试数学试卷
名校
解题方法
8 . 已知函数
,
.
(1)若函数
在区间
上的最小值为
,求实数m的值;
(2)对于任意实数
,存在实数
,不等式
恒成立,求实数m的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb00808617c39c76f78700a527bb9369.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa9a17473fba8249a0e8972efacf0573.png)
(1)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e11f4ca0e7ace69f92130d0525bcdb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
(2)对于任意实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ba67293b8d2c271e7993d1c4abd5e27.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17641d15644d5fb2c79fd1016b21520f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ca3b1f02a33e3370d59d60cf58682a6.png)
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2022-12-19更新
|
997次组卷
|
6卷引用:浙江省杭州“六县九校”联盟2022-2023学年高一上学期期中联考数学试题
解题方法
9 . 已知函数
.
(1)若
,求
的值域;
(2)对任意
,存在
,使得
,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f14cafbf38e9b4b4b3b1216e56aa3ce4.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)对任意
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/136b813b99e0e1514c9e3a0f66f29723.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cde047d00b2b6e7069f1db7059fb93a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eedb2d61fbaddfa27fc2250a6f61f0c1.png)
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2022-12-19更新
|
391次组卷
|
2卷引用:浙江省缙云中学等四校2022-2023学年高一上学期12月联考数学试题
名校
解题方法
10 . 已知
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5c334ae0b43b4a46280c49c303b0103.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb70ce2a00314c4146732c3c8cae3687.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2022-12-18更新
|
1459次组卷
|
9卷引用:浙江省金华十校2022-2023学年高三上学期期末模拟数学试题