名校
解题方法
1 . 已知椭圆
:
的离心率为
,
是
上一点.
(1)求
的方程.
(2)设
,
分别为椭圆
的左、右顶点,过点
作斜率不为0的直线
,
与
交于
,
两点,直线
与直线
交于点
,记
的斜率为
,
的斜率为
.证明:①
为定值;②点
在定直线上.
![](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/8d5989c84e320b504511f23eeb6e7357.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7307246c90c777bbc917df34c66587da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d776a89f4fd29dccffe1040069d59ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.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/20a541b81584a032f571159ea152c85a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb6ede9761b5b90f8dc137708e1ee90f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20a541b81584a032f571159ea152c85a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6defc43285a40f7ccb74c1cc04265eba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb6ede9761b5b90f8dc137708e1ee90f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/423b7ae39db552e60ee8b1d27312306f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67351fe10fcfc3f9072eec4c60bfaaa5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
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2022-12-20更新
|
1008次组卷
|
5卷引用:河南省洛阳市创新发展联盟2022-2023学年高二上学期12月阶段检测数学试题
河南省洛阳市创新发展联盟2022-2023学年高二上学期12月阶段检测数学试题云南省名校联盟2023届高三上学期12月份联合考试数学试题(已下线)专题13 圆锥曲线压轴解答题常考套路归类(精讲精练)-1吉林省长春市东北师范大学附属中学2022-2023学年高二下学期期末数学试题(已下线)重难点突破19 圆锥曲线中的仿射变换、非对称韦达、光学性质、三点共线问题(六大题型)-1
名校
解题方法
2 . 求证下列问题:
(1)已知
均为正数,求证:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/30c7b02d78a23b27f99a292938af3cca.png)
.
(2)已知
,求证:
的充要条件是
.
(1)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/333de134fb62d12d1b62f59bab55fbfb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/30c7b02d78a23b27f99a292938af3cca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d2761fb3463043acfb4c58ae13b9c9.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/600b831a379de50ef6ac996243c9b4ba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68e968983b6b76e7618ad04919ec485a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7d035fd92184fb215da52254d57b9b2.png)
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2022-10-24更新
|
317次组卷
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6卷引用:河南省洛阳市强基联盟2022-2023学年高一上学期第一次大联考数学试题
名校
3 . 已知函数
.
(1)讨论
的单调性;
(2)设
,证明:当
时,
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60bd79b059d1eb8d845c35e6b9138b78.png)
(1)讨论
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/adf8fd45f1f16ebbf0b5b912c9460f77.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2bec51bbad4bade86c8f2c1903c02e77.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/daa18838a13fda4e45612c32cdf98b71.png)
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2022-08-29更新
|
536次组卷
|
4卷引用:河南省洛阳市新安县第一高级中学2022-2023学年高三上学期9月诊断性考试数学(文科)试题
名校
4 . 已知函数
有两个不同的零点
.
(1)求实数
的取值范围;
(2)求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d71861e33d407d6f9dcd4e2fb9df0da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ce7ae90d808f05e86ea063238e4b2f9.png)
(1)求实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a3ad8c843c361565d0f3cb06da49f60.png)
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2022-05-28更新
|
2055次组卷
|
7卷引用:河南省洛阳市第一高级中学2022-2023学年高三上学期9月考试数学(理)卓越班试题
河南省洛阳市第一高级中学2022-2023学年高三上学期9月考试数学(理)卓越班试题河北省沧州市沧县中学2021-2022学年高二下学期第二次阶段测试数学试题黑龙江省鹤岗市第一中学2021-2022学年高二下学期期末数学试题安徽省合肥市庐江第五中学2022-2023学年高三上学期期中数学试题(已下线)专题05 极值点偏移问题与拐点偏移问题(已下线)专题05 极值点偏移问题与拐点偏移问题-2(已下线)专题03 利用导数证明不等式(四大题型)
解题方法
5 . 已知椭圆
的上一点
处的切线方程为
,椭圆C上的点与其右焦点F的最短距离为
,离心率为
.
(1)求椭圆C的标准方程;
(2)若点P为直线
上任一点,过P作椭圆的两条切线PA,PB,切点为A,B,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/851a5d6ec23256f9b4a9e98aa92945fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23b4f86e48e2b0d63c1865c60ed1e4d1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a9656735f55e5de465e5667ba578d4e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c34e01955f8c8fe2f0041b35d8d602a7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d5989c84e320b504511f23eeb6e7357.png)
(1)求椭圆C的标准方程;
(2)若点P为直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/707ea658f3a9359f5740d5aab48f7948.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a56375c3423cc022ac9d6d04e3a61bb9.png)
您最近一年使用:0次
名校
6 . 已知函数
.
(1)求函数
的单调区间;
(2)求证
时,不等式
恒成立.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb727c12898baef8941abfb6330a6ce8.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)求证
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c67a7e28dba059006021a2e2105f538.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f8d4d6552c71a19ef2806fa5c78bd35.png)
您最近一年使用:0次
解题方法
7 . 已知抛物线
:
,过点
作x轴的垂线交抛物线
于G,H两点,且
(
为坐标原点).
(1)求p;
(2)过
任意作一条不与x轴垂直的直线交抛物线
于A,B两点,直线AR交抛物线
于不同于点A的另一点M,直线BR交抛物线
于不同于点B的另一点N.求证:直线MN过定点.
![](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/35366652793f9994cc34b40d9d9af59a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43b3fa41635da8da11d6c04287ff7513.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
(1)求p;
(2)过
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ab3c75d42587ba6174ccce153f4020d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
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2022-03-09更新
|
382次组卷
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3卷引用:河南省洛阳市2021-2022学年高三上学期第二次统一考试文科数学试题
名校
解题方法
8 . 过椭圆
上任意一点
作直线![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7969433bebd2ba7674b252c07fb748ac.png)
(1)证明:
;
(2)若
为坐标原点,线段
的中点为
,过
作
的平行线
与
交于
两点,求
面积的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/279cefeb5c389a37a71e5fd3925f5954.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7969433bebd2ba7674b252c07fb748ac.png)
(1)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3445ebc16cef660175c86738f08d5c03.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31da99490e114c0df610b3f8bbb045ec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abd13974aebe38eb2a1d744a01ea5aa5.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/ac2aa8640b04fc3cb953eb5b21ec8f91.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/7a855335176fc36a15017f50a8561348.png)
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2022-08-26更新
|
799次组卷
|
5卷引用:河南省洛阳市新安县第一高级中学2022-2023学年高三上学期9月阶段诊断性考试数学(理数)试题
河南省洛阳市新安县第一高级中学2022-2023学年高三上学期9月阶段诊断性考试数学(理数)试题(已下线)专题4 求面积运算(提升版)顶尖计划河南省2023届高三上学期第一次考试数学理科试题顶尖计划河南省2023届高三上学期第一次考试文科数学试题(已下线)考向37 圆锥曲线中的范围、最值问题(重点)
解题方法
9 . 已知函数
.
(1)当
时,求曲线
在
处的切线方程.
(2)证明:当
,
时,
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/faf2f4c08ed9d8492da9eced7d054f1e.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59a6e6fae1536dff7269ba7c3adb8f72.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/707ea658f3a9359f5740d5aab48f7948.png)
(2)证明:当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fde64f4d3c38e43fbdee24eadc4b0dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d33da711e50e96568facb18cef27165.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ea998345984b6d1bbffa1e667365ed6.png)
您最近一年使用:0次
解题方法
10 . 已知抛物线
:
,
是
上位于第一象限内的动点,它到点
距离的最小值为
,直线
与
交于另一点
,线段AD的垂直平分线交
于E,F两点.
(1)求
的值;
(2)若
,证明A,D,E,F四点共圆,并求该圆的方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d580f80e09d24fb43bf8fccf42e8e5d3.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/41b8d90bef26f2ddc7444b5c6481fe5b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95bacae35b6e16a0a33c2bdc6bc07df7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a400356bb9783736d30d721acd46a62.png)
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