解题方法
1 . 已知椭圆
:
的右焦点为
,
为椭圆
上一动点,
的最大值为3,最小值为1,过
的直线
与椭圆
交于
,
两点,
为坐标原点.
(1)若
,求直线
的斜率.
(2)当直线
的斜率存在时,试判断
轴上是否存在一点
,使
.若存在,求出点
的坐标;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/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61f20a5abdb5deef164c7d633c2c8fce.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/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0aa16d1f873437d0725bdf0ef99770f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
(2)当直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ff7b9ee8161ec757d0e3430b2befb76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
您最近一年使用:0次
2 . 已知抛物线
:
的焦点为
,
是拋物线
上的点,且
.
(1)求抛物线
的方程;
(2)已知直线
交抛物线
于
,
两点,且
的中点为
,求直线
的方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7089148c36cb3c39af71de653756396a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6671ea15612c89f570397e32f6a9d62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07d9b895ac5f6d748646ccff061addd9.png)
(1)求抛物线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)已知直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.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/411461db15ee8086332c531e086c40c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/601b6e8e0de5e22fb87f5ecac715c5e0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
您最近一年使用:0次
2023-02-22更新
|
346次组卷
|
2卷引用:云南省楚雄州2022-2023学年高二上学期期末教育学业质量监测数学试题
名校
解题方法
3 . 已知椭圆
的右焦点为F,点
在椭圆C上,且
三点共线.
(1)若直线
的倾斜角为
,求
的值;
(2)已知点
,其中
,若直线
不与坐标轴垂直,且点B到直线
的距离相等,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf31e486f5e1c38139e5e0f5b0dfe19f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7789a500686c7a73770404ead6af0590.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7db31b6ce9408706f77680ac8c75c2ab.png)
(1)若直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/30c20e88a33043f4279fff360c81006e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac35b1e8a952aac4f4cdaaf02d868d04.png)
(2)已知点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65afd543492e927e1497bff76a810fb9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5cd2ebfb3344f6be987efd6aaf4216e0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d42cb68c5c877a455ba7ac0a6b6a651.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
您最近一年使用:0次
2023-01-16更新
|
245次组卷
|
2卷引用:云南省元谋县第一中学2022-2023学年高二下学期数学期末模拟(六)试题
解题方法
4 . 已知双曲线
.
(1)过点
的直线与双曲线交于
,
两点,点
能否是线段
的中点,为什么?
(2)直线
与双曲线有唯一的公共点
,过点
且与
垂直的直线分别交
轴、
轴于
,
两点.当点
运动时,求点
的轨迹方程,并说明该轨迹是什么曲线.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2724acdc1cbf15077b0b0295ab21a3d.png)
(1)过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b0a807a550b61acd46aa4f8677dd6d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09fcb20a6972108871adbf284f9e5006.png)
(2)直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f62385529042485b5cafd3e6d84bc099.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93e5725eea66482aecf029044c404f24.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d48001aa635215e2be1eed43a572621a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aee82283f06cedef32eb15b87964f5d2.png)
您最近一年使用:0次
名校
解题方法
5 . 已知函数
在点
处的切线方程是
,其中
是自然对数的底数.
(1)求实数
的值;
(2)当
时,求函数
的最大值和最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3f8cd845c9e68780f5a5367a1693da7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68c6b6a11760d0724b0b60e55970e229.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81041b4dd93923454a8f69da30d53249.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/041a7c8fc017f596542c5e6ec7d1c40b.png)
(1)求实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/62ff2912fd8d93b6e692936d95b727c5.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0166e7ec28cdd999101cad8aff7624c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
您最近一年使用:0次
名校
解题方法
6 . 已知椭圆
的一个焦点与短轴的一个端点连线的倾斜角为
,直线
与椭圆
相交于
和
两点,且
为坐标原点.
(1)求椭圆
的方程;
(2)直线
与椭圆
交于
两点,直线
的斜率为
,直线
的斜率为
,且
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad523e69a1bf925e73a22900b9855df2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ac09dc1ca2cdd7aef28c218763d3e4d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2f3fa679bb55ded25a9b72a8e788cb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/990d51509acf164c93cb74c91297f3a3.png)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef4113c492885ba7c47fe42ac792578f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6defc43285a40f7ccb74c1cc04265eba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b90e0f35eda1a729fed485f83da5ea9d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/423b7ae39db552e60ee8b1d27312306f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7eac9ba606fb477550aa62db7bfa0ac4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ace585d3cc2e113a0927cdf9e56756a.png)
您最近一年使用:0次
2022-07-13更新
|
778次组卷
|
5卷引用:云南省楚雄州2021-2022学年高二下学期期末考试数学试题
名校
解题方法
7 . 已知椭圆
(a>b>0)的离心率为
,且过点
.
(1)求椭圆C的方程;
(2)已知直线l:y=kx+m(k>0,m>0)与椭圆C相交于M、N两点,若
, Q(﹣2m,0),证明:|QM|2+|QN|2为定值;
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7d72a07a4e5acfc140a3cea1f26b951.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/860884c0017c8bceb5b0edff796c144f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/165abb555bfea442a1a09c6c00d3f21e.png)
(1)求椭圆C的方程;
(2)已知直线l:y=kx+m(k>0,m>0)与椭圆C相交于M、N两点,若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3a2a34b4317deffa40ba34e269c2b81.png)
您最近一年使用:0次
2022-06-11更新
|
192次组卷
|
2卷引用:云南省楚雄天人中学2021-2022学年高二下学期6月月考数学(A)试题
名校
8 . 已知函数
在点
处的切线斜率为4,且在
处取得极值.
(1)求函数
的单调区间;
(2)当
时,求函数
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ae06c488100e31570805778b1d322e4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/530e5817131adf2c05b99ff18eb9060f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99c6875d552e9fff3c7d655f3a59b166.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24aa16b780156e18f12baa2b8ee0f9a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
您最近一年使用:0次
2022-06-10更新
|
398次组卷
|
2卷引用:云南省楚雄天人中学2021-2022学年高二下学期6月学习效果监测数学(B)试题
9 . 已知函数
.
(1)求函数
的单调区间;
(2)若不等式
恒成立,求a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb727c12898baef8941abfb6330a6ce8.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)若不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/74c9008a8122ebaba65a0fe52203870a.png)
您最近一年使用:0次
2022-05-30更新
|
533次组卷
|
2卷引用:云南省楚雄天人中学2022-2023学年高二下学期3月学习效果监测数学试题
10 . 已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eba1f4b2aae650696350bd4225472bda.png)
(1)当
时,求
在点
处的切线方程;
(2)当
时,求函数
的单调递增区间.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eba1f4b2aae650696350bd4225472bda.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b108ab31cc093f03cf48ad65429889e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5828873f8369183faf71181cda5b61d2.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
您最近一年使用:0次
2022-05-23更新
|
1486次组卷
|
8卷引用:云南省楚雄天人中学2021-2022学年高二下学期6月月考数学(A)试题
云南省楚雄天人中学2021-2022学年高二下学期6月月考数学(A)试题宁夏回族自治区银川一中2022-2023学年高二上学期期末考试数学(文)试题(已下线)第11讲 导数研究函数含参数单调性5种题型总结(1)陕西省宝鸡中学2022届高三下学期高考模拟文科数学试题(已下线)考向15 利用导数研究函数的单调性(重点)(已下线)专题15 单调性问题-2广西壮族自治区贵港市平南县平南县中学2024届高三上学期9月月考数学试题黑龙江省齐齐哈尔市恒昌中学校2023-2024学年高三上学期期中数学试题