1 . 已知函数
.
(1)讨论
的单调性;
(2)若
,求
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e555d56535776367402baaad9fb457f.png)
(1)讨论
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e9c599e8d420006448905acec2b8234.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18f0281e6bbdbe08beeccb55adf84536.png)
您最近一年使用:0次
2 . 已知
是双曲线
的右焦点,
为其左支上一点,点
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dad0c75ce33673ec4c425896e8619e4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8ddf4aac820c83365b1e731aacf4564.png)
A.双曲线的焦距为6 |
B.点![]() |
C.![]() ![]() |
D.若![]() ![]() ![]() |
您最近一年使用:0次
3 . 若曲线
有两条过坐标原点的切线,则
的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6eb4a4cde325db98f123ffbbfd7ac623.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
4 . 已知曲线
:
,曲线
:
,两曲线在第二象限交于点
,
,
在
处的切线倾斜角分别为
,
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/344ccbf79da6ad7e3709d6fa72efb756.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/47970c53355debf46687addef063e9d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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5 . 已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db0c0fb7d7810f3f95415e61621d07a4.png)
(1)若过点
作函数
的切线有且仅有两条,求
的值;
(2)若对于任意
,直线
与曲线
都有唯一交点,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db0c0fb7d7810f3f95415e61621d07a4.png)
(1)若过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2832f82fdeafa819c92ca5c1e74eb5ef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)若对于任意
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11906f6d52225af3a5ae55e58cbc64c0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c15fb18163df0690365a0d2e7ee88f5a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d4ca5250e8a54f4fb86885c43e986d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
您最近一年使用:0次
解题方法
6 . 设抛物线
的焦点为
,准线为
,过抛物线上一点
作
的垂线,垂足为
,若
,
,
与
相交于点
,且
,则
的面积为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/745de5ef1fd897d16e37464172d5e8c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7908e8e2ca67ad0f739860222423950.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d8350efd6636002f417d721fc87a126.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fb26d84907c923278ac4626a9d58947.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2dca049735b45fb9b2533c68605eddc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e42053c486a65cc44cabd969d58d71c3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a0393a24432ff05925c9947d90ff891.png)
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解题方法
7 . 已知椭圆
的左,右焦点分别为
,
,长轴长为4,点
在椭圆
外,点
在椭圆
上,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/163b5beef24f681605adecc6b0ba76e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a818c7b7f571f7173feb9b73424d5ffe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bcd8ee2d8367c167d6ae0abc741b6b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bcd8ee2d8367c167d6ae0abc741b6b8.png)
A.当椭圆![]() ![]() |
B.当椭圆![]() ![]() ![]() ![]() |
C.对任意点![]() ![]() |
D.![]() |
您最近一年使用:0次
名校
解题方法
8 . 已知双曲线
的离心率为
,且点
在双曲线C上.
(1)求双曲线C的方程;
(2)若点M,N在双曲线C上,且
,直线
不与y轴平行,证明:直线
的斜率
为定值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83bf4fd84818abac17a9d21237ac5ce5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf298f00799cbf34b4db26f5f63af92f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39ea1f5bdd213c7c3a571b4c38850bf1.png)
(1)求双曲线C的方程;
(2)若点M,N在双曲线C上,且
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f59747cee312ee5140643428cae79efa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
您最近一年使用:0次
2023-02-03更新
|
1881次组卷
|
12卷引用:浙江省浙里卷天下2023届高三一模数学试题
浙江省浙里卷天下2023届高三一模数学试题广东省江门市部分学校2023届高三下学期开学联考数学试题浙江省部分学校2022-2023学年高三上学期1月联考数学试题浙江省金太阳联盟2022-2023学年高三上学期1月期末联考数学试题河南省安阳市、鹤壁市、新乡市、商丘市2022-2023学年高三下学期开学考试(理科)数学试题河南省安阳市鹤壁市新乡市商丘市2022-2023学年高三下学期开学考试(文科)数学试题湖南省长沙市宁乡市第一高级中学2022-2023学年高二上学期12月月考数学试题(已下线)模块十二 解析几何-1(已下线)专题九 平面解析几何-2山西省忻州市2023届高三一模数学试题江苏省南京市建邺高级中学2023-2024学年高二上学期10月月考数学试题(已下线)专题15 圆锥曲线综合
名校
解题方法
9 . 已知椭圆
:
的长轴长为4,离心率为
,其左、右顶点分别为A、B,右焦点为F.
![](https://img.xkw.com/dksih/QBM/2023/1/13/3151816808685568/3152720860946432/STEM/ddd9abbb34464cac819ef931a4f36b41.png?resizew=294)
(1)求椭圆
的方程;
(2)如图,过右焦点F作不与x轴重合的直线交椭圆于C、D两点,直线AD和BC相交于点M,求证:点M在定直线
上;
(3)若直线AC与(2)中的定直线
相交于点N,在x轴上是否存在点P,使得
.若存在,求出点P坐标;若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7dd54b9df3402ad91e2d34c40efe0c7a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
![](https://img.xkw.com/dksih/QBM/2023/1/13/3151816808685568/3152720860946432/STEM/ddd9abbb34464cac819ef931a4f36b41.png?resizew=294)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)如图,过右焦点F作不与x轴重合的直线交椭圆于C、D两点,直线AD和BC相交于点M,求证:点M在定直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
(3)若直线AC与(2)中的定直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f18fe75b94f62832d1a1ad44ed879a2.png)
您最近一年使用:0次
名校
解题方法
10 . 已知双曲线
:
的左、右焦点分别为
,
,过左焦点
的直线与双曲线
的左支交于
,
两点,且
,线段
的中垂线恰好经过点
,则双曲线
的离心率是______________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3040b6c904477030ecf8ba20b2b18759.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/478663dd8d93d97b7b6d874e42628534.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/183b6a0cef4256c9696a5bca31053da5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
您最近一年使用:0次
2023-01-14更新
|
454次组卷
|
3卷引用:浙江省衢州五校联盟2022-2023学年高二普通班上学期期末联考数学试题
浙江省衢州五校联盟2022-2023学年高二普通班上学期期末联考数学试题(已下线)安徽省江南十校2022届高三下学期3月一模理科数学试题变式题11-15山东省邹平市第一中学2023-2024学年高二上学期9月开学考试数学试题