解题方法
1 . 已知
,
分别是双曲线
的左、右焦点,抛物线
的焦点与双曲线的一个焦点重合,点
是两曲线的一个交点,
且
,则双曲线的离心率为( )
![](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/3040b6c904477030ecf8ba20b2b18759.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ac62b1ade07205ae2693ec1ab135def.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2427943a38dcd93c9ec9b735ffc9fe5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2633d314d76e395c26920d06997f498.png)
A.![]() | B.![]() |
C.![]() | D.2 |
您最近一年使用:0次
2020-10-28更新
|
888次组卷
|
4卷引用:云南省保山市2019-2020学年高二下学期期末(理科)数学试题
云南省保山市2019-2020学年高二下学期期末(理科)数学试题云南省保山市2019-2020学年高二教学质量监测考试理科数学试题(已下线)专题3.2 双曲线-2020-2021学年高二数学同步课堂帮帮帮(人教A版2019选择性必修第一册)(已下线)第三章 圆锥曲线与方程核心专项练习-【提升专练】2021-2022学年高二数学新教材同步学案+课时对点练(苏教版2019选择性必修第一册)
2 . 已知
,
是椭圆E:
(
)的左、右焦点,点M在E上,
与x轴垂直,
,则E的离心率为( )
![](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/1d7aea48c44781a844b5c19191f70f61.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a0c4c098615c6bc7e6dcf72e5b5201a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b67528f875a6d4bac8bbf784f7b66a0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b3aeab6525e7303d8dad7035f2e3b77.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
2020-10-11更新
|
814次组卷
|
4卷引用:云南省保山市2019-2020学年高二教学质量监测考试文科数学试题
名校
解题方法
3 . 已知函数
,若对任意
,使
,则a的最大值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4be027addcd34c809e5e8bbe82dc5990.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/966b60302d80d8613675bb3dd5c03164.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5931095eb29d9d6b55ed9fa32a4ef1d.png)
A.0 | B.![]() | C.1 | D.![]() |
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名校
4 . 已知抛物线
的焦点为F,直线
与抛物线C在第一象限的交点为
,若
,则抛物线C的方程为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e6c830bfa9a1b979a1a9665166424bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6dafa6026006333c56f9101435a60890.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bffb0c1942cc0c79bd44277763c0067e.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
5 . 已知函数
,
.
(Ⅰ)若曲线
在
处的切线方程为
,求
的值;
(Ⅱ)若
,函数
与
轴有两个交点,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c62b7cbb2fd9977ff33cadebad3d0da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1e69392d21261afd8e5e5f096634669.png)
(Ⅰ)若曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3087fa09c2ac3fa831de6dba1c606c08.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(Ⅱ)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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解题方法
6 . 已知过点
的抛物线
的焦点为F,直线
与抛物线的另一交点为B,点A关于x轴的对称点为
.
(Ⅰ)求p的值;
(Ⅱ)求直线
与x轴交点的坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f943121691740928470268b34781e06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fc58c62444bf42a25289c45425a00f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6aa2b5e09f8ec785c59900a529390a02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7c314398e26ffc7164b82946eeb4273.png)
(Ⅰ)求p的值;
(Ⅱ)求直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e663220a66eff19da6a71e46b397db2e.png)
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2020-09-04更新
|
187次组卷
|
3卷引用:云南省保山市2019-2020学年高二教学质量监测考试文科数学试题
7 . 命题“
,
”的否定形式是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5327f555d883348304b99ba4ca961006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b7ede80f05c132954fc1960b68845d82.png)
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名校
解题方法
8 . 已知椭圆
:
,点
在曲线
上,短轴下顶点为
,且短轴长为2.
(Ⅰ)求椭圆
的标准方程;
(Ⅱ)过点
作直线
与椭圆的另一交点为
,且与
所成的夹角为
,求
的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7dd54b9df3402ad91e2d34c40efe0c7a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1228708016bc8cf94f2bd488dbe56ae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(Ⅰ)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
(Ⅱ)过点
![](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/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd33764ff4efddfe11a98a609753715c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6b86c22b670a8e9f3896f9e8883fbbb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2205cffebf8c4d5f81d15ed7b85c8936.png)
您最近一年使用:0次
2020-09-04更新
|
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5卷引用:云南省保山市2019-2020学年高二下学期期末(理科)数学试题
名校
9 . 已知函数
是定义在
上的连续函数,则函数
在区间
上存在零点是
的( )条件.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7160d93f92089ef36f3dab809d3114b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/144ca9eb632b6ca5fb1dbbcf15f7b797.png)
A.充分不必要 | B.充要 |
C.必要不充分 | D.既不充分也不必要 |
您最近一年使用:0次
2020-09-04更新
|
608次组卷
|
9卷引用:云南省保山市2019-2020学年高二下学期期末(理科)数学试题
名校
解题方法
10 . 已知函数
.
(1)若
,求实数
的取值范围;
(2)设
,数列
的前n项和为
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c299e49944949fa518d72273f92cd29.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e9c599e8d420006448905acec2b8234.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/55fbb507f0ff4a70829f8cf2de56294d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/819eed9f6c802aecc4beb4fce79e7198.png)
您最近一年使用:0次