名校
解题方法
1 . 已知抛物线
与椭圆
(
)有公共的焦点,
的左、右焦点分别为
,
,该椭圆的离心率为
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/2/a47bb539-b652-42b3-9acb-e568c05133df.png?resizew=185)
(1)求椭圆
的方程
(2)如图,若直线
与
轴,椭圆
顺次交于
,
,
(
点在椭圆左顶点的左侧),且
与
互补,求证:直线
过定点,并求出定点坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac8a3bffe545af2299cf999d44767206.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57880cb00bacdef41881ba1a32ea5d65.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a0c4c098615c6bc7e6dcf72e5b5201a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.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/f89eef3148f2d4d09379767b4af69132.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/2/a47bb539-b652-42b3-9acb-e568c05133df.png?resizew=185)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
(2)如图,若直线
![](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/23f3ffe7abc59e2f65d827c8eab8d36a.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/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/080156cfe470743e16136139f8ef746f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/073419c46d23ab8dd7cec04eea8c3386.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/902f97913e1af1e6c793f7edfe6b2114.png)
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2022-01-15更新
|
280次组卷
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2卷引用:新疆石河子第一中学2022届高三8月月考数学(文)试题(A卷)
名校
解题方法
2 . 已知点P与定点
的距离和它到定直线
的距离比是
.
(1)求点P的轨迹方程C;
(2)点M,N在C上,
且
,D为垂足.证明:存在定点Q,使得
为定值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ce176fdfbb44b8459f441a8d805013f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e93309062496a9c6d3dead5a9fa59c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/526ddee4ed97b917d9e4cc4542c72a37.png)
(1)求点P的轨迹方程C;
(2)点M,N在C上,
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39ea1f5bdd213c7c3a571b4c38850bf1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/368e8fe7aa6d3da98046a80626a70ba0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b5e0909915a39968fee2b2119c20b0c.png)
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2021-12-15更新
|
577次组卷
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3卷引用:新疆乌苏市第一中学2021-2022学年高二(4-26班)12月月考数学试题
名校
3 . 已知函数
有且仅有两个极值点
,
且
.
(1)求实数
的取值范围;
(2)证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a206c7f0cc7ec00b30cf762191e7e272.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/684bcf84f0a266515bfafde0da903050.png)
(1)求实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03ca13a93b5f401c0d39ba52b0cffcb0.png)
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2021-11-29更新
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2744次组卷
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9卷引用:新疆克拉玛依克拉玛依市独山子第二中学2022届高三12月数学试题
新疆克拉玛依克拉玛依市独山子第二中学2022届高三12月数学试题河北省部分学校2022届高三上学期11月质量检测数学试题福建省部分名校2022届高三11月联合测评数学试题(已下线)专题35 导数中双变量与极值点偏移必刷100题-【千题百练】2022年新高考数学高频考点+题型专项千题百练(新高考适用)(已下线)专题23 导数及其应用解答题20题-备战2022年高考数学冲刺横向强化精练精讲(新高考专用)广东省七校联合体(中山一中等)2023届高三上学期第一次联考数学试题(已下线)2023届高三第一次月考押题卷(测试范围:集合与常用逻辑用语、不等式、函数与导数)(已下线)专题6 极值点偏移问题广东省深圳市南山区北京师范大学南山附属学校2023届高三上学期10月月考数学试题
名校
4 . 已知
(a>0且
),
.
(1)讨论h(x)的单调性;
(2)已知当a=e时,在h(x)的定义域内有
,且满足
,证明:
(注:e=2.71828…是自然对数的底数)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec003c8af0c3e2cbc3ac6007d40594a6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c400a615a16a1662de98dfb4e49d58d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7333432b22f884abf06ad88c34f59f9d.png)
(1)讨论h(x)的单调性;
(2)已知当a=e时,在h(x)的定义域内有
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aca579894dad67bc82cb715fd48e0d70.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2492d486aef92677bc4d9c88c28b6845.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fef868d11d8929da0d72df422bba380d.png)
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2021-11-22更新
|
653次组卷
|
3卷引用:新疆喀什第六中学2022届高三12月月考数学试题
名校
解题方法
5 . 过点
的任一直线
与抛物线
交于两点
,且
.
(1)求
的值.
(2)已知
为抛物线
上的两点,分别过
作抛物线
的切线
,且
,求证:直线
过定点.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56286216c1c313e19f4a196fcaba6b29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31263c49eaccf5facc404ba0e9f1ad5d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc373b9c9b02d64fd9875e87a02dce85.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7789a500686c7a73770404ead6af0590.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7789a500686c7a73770404ead6af0590.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56ddb3a1b2a871719e05b126c8a11119.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ce08b357f11ef44c3e8207ac574422a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
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2021-12-15更新
|
4845次组卷
|
6卷引用:新疆克拉玛依克拉玛依市独山子第二中学2022届高三12月数学试题
新疆克拉玛依克拉玛依市独山子第二中学2022届高三12月数学试题陕西省宝鸡市金台区2021-2022学年高三上学期11月教学质量检测理科数学试题陕西省宝鸡市金台区2021-2022学年高三上学期11月教学质量检测文科数学试题(已下线)一轮复习大题专练68—抛物线2(定点问题1)—2022届高三数学一轮复习(已下线)专题22 圆锥曲线中的定点、定值、定直线问题 微点1 圆锥曲线中的定点问题(已下线)专题11 解析几何2
解题方法
6 . 已知椭圆
的左、右顶点分别为
,右焦点为F(1,0),且椭圆C的离心率为
,M,N为椭圆C上任意两点,点P的坐标为(4,t)(t≠0),且满足
.
(1)求椭圆C的方程;
(2)证明:M,F,N三点共线.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dae13b2a96f91ab64fb4948de2b0ae10.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a00c7f364b84038315d082ab6248467c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8eff998d034284391ca064755fa6bf1b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc35318e1b57d3dc9363573b5708916d.png)
(1)求椭圆C的方程;
(2)证明:M,F,N三点共线.
您最近一年使用:0次
解题方法
7 . 已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/770ca30049d6a605e6a14c77c7669285.png)
(1)若
时,
恒成立,求
的取值范围;
(2)求证
且
;
(3)当
时,方程
有两个不相等的实数根
,求证
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/770ca30049d6a605e6a14c77c7669285.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3d07f9b89b24792b5e5cc639b399ced.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe2ef29128caf9576dc4c2351a034b55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)求证
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe87e3963967b25166be5503e920a901.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b327466d2c1761c8bef60fb15cf911b.png)
(3)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/008c47204b68ecf7ed24688a60ebe55e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5809a06357f94fc7a2156c7e7af1ed2e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ce7ae90d808f05e86ea063238e4b2f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7668f040d06a00d873f7168af1faf7ab.png)
您最近一年使用:0次
8 . 已知函数
.
(1)讨论函数
的单调性:
(2)若
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eef57233fe5db0ff032efe1d125ba619.png)
(1)讨论函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d6119aaaa6b3964bca3d41f9652fae6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e7e9c0fcd076d4975540b112fb334af.png)
您最近一年使用:0次
2022高三·全国·专题练习
名校
解题方法
9 . 已知函数
,
.
(1)当
时,
①求
的极值;
②若对任意的
都有
,
,求
的最大值;
(2)若函数
有且只有两个不同的零点
,
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ccfceec6ed0a6f0215dab88ce14d510.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1e69392d21261afd8e5e5f096634669.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
①求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
②若对任意的
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c3ea46bcfd4d1ade2e65f8b28b7f7e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4cf7367b796f1dcf37151e6fd25c1353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58b140e221ddf537b8964fff8557cca0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/087a2f041ebb11dfaccfa685ba67410f.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/d3661dbd3b2c578c685e6a11a4102ddd.png)
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2021-07-31更新
|
1395次组卷
|
5卷引用:新疆喀什市第六中学2022届高三上学期期中考试数学试题
新疆喀什市第六中学2022届高三上学期期中考试数学试题湖北省重点中学沃学联盟2021-2022学年高三上学期期中联考数学试题(已下线)专题4.9—导数大题(双变量与极值点偏移问题1)-2022届高三数学一轮复习精讲精练(已下线)第08讲 双变量不等式:转化为单变量问题-突破2022年新高考数学导数压轴解答题精选精练江西省景德镇一中2022-2023学年高二(19班)上学期期中考试数学试题
名校
解题方法
10 . 已知函数
.
(1)讨论的单调性;
(2)若
恒成立,求
的取值范围;
(3)在(2)的条件下,
有两个不同的根
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7baac46881798c16564d0e59e94afbe.png)
(1)讨论的单调性;
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f81ed7f6a4475e0fa682fa81ee747da3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(3)在(2)的条件下,
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9c0d827ef8598ba6b70b34b2bdcd1e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ce7ae90d808f05e86ea063238e4b2f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad2baa8f38ccee2d9f3eb6cad4f9617b.png)
您最近一年使用:0次