1 . 已知抛物线
的内接
满足直线
都是抛物线
的切线.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/3/c965b7bb-c17e-4aa0-9d77-20a69b635d28.png?resizew=169)
(Ⅰ)证明:
是抛物线
的切线;
(Ⅱ)已知G为
的重心,求
上的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3764ba3aa0a241787f4661026bb14053.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/374fe9986ebbc986fc422e514ab93a51.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/344ccbf79da6ad7e3709d6fa72efb756.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/3/c965b7bb-c17e-4aa0-9d77-20a69b635d28.png?resizew=169)
(Ⅰ)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/344ccbf79da6ad7e3709d6fa72efb756.png)
(Ⅱ)已知G为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa5fe243b7f7874c56c0410ce644b88e.png)
您最近一年使用:0次
解题方法
2 . 已知函数
.
(1)若曲线
在
处的切线方程为
,求a,b的值;
(2)求函数
的极值点;
(3)设
,若当
时,不等式
恒成立,求a的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46e26788a11b37ce305f080e5b24a3bc.png)
(1)若曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d97bde2b2c45e321286e4d7912675795.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d1cb41222d27da278a922db1cd5cb34.png)
(2)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d759b77693077080ba043ad6b0c7964.png)
(3)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df96f2719a30876062be870edbfb0c89.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86474b8b559afef08fa4ea228f84b77e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b7efeb56b59b41e0d812cbef18d41cca.png)
您最近一年使用:0次
2020-10-30更新
|
717次组卷
|
6卷引用:山东省济宁市2020届高三6月高考模拟考试(三模)数学试题
山东省济宁市2020届高三6月高考模拟考试(三模)数学试题(已下线)专题八 函数与导数-山东省2020二模汇编陕西省渭南市大荔县2020-2021学年高三上学期10月摸底考试数学(理)试题辽宁省沈阳市郊联体2020-2021学年高三上学期期末考试数学试题(已下线)第六章 导数与不等式恒成立问题 专题六 单变量恒成立之参变分离法 微点3 单变量恒成立之同构或放缩后参变分离(已下线)专题5 导数与不等式恒成立问题【讲】
名校
解题方法
3 . 已知函数
.
(1)求函数
的极小值;
(2)关于
的不等式
在
上存在解,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/beb10f07e8e730576f6ea0911966afe5.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f731d74cc8fdef8361c2bc48d0122905.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/30a66e21d12d52196e11625bb9afb372.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
2020-10-30更新
|
717次组卷
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5卷引用:湖南省三湘名校教育联盟2020-2021学年高三上学期10月联考数学试题
湖南省三湘名校教育联盟2020-2021学年高三上学期10月联考数学试题湖南省五市十校教研教改共同体2020-2021学年高三上学期10月大联考数学试题湖南省衡阳市第二十六中学2020-2021学年高三上学期11月月考数学试题(已下线)专题02 函数与导数-【备战高考】2021年高三数学高考复习刷题宝典(压轴题专练)(已下线)专题04 利用导数研究函数有解问题-【解题思路培养】2022年高考数学一轮复习解答题拿分秘籍 (全国通用版)
名校
4 . 已知函数
,
.
(1)若
在区间
上的最大值为
,求实数
的取值范围;
(2)设
,
,记
为
从小到大的零点,当
时,讨论
的零点个数及大小.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb775e75e36d70d2f8bbd6bec34d193f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22362411afa2312680cef711bcdd7a4a.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bfeb375d7f35cf2088a59482294991da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d599cb4a589f90b0205f24c2e1fa021e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b3b28eab665770b1178b3a916eef1c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/461b599ecf9f68030acf4db7efd2f373.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5983c77c76205ec7e864a0be1ef346f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46be55c8f2760d6db125f46691a3de48.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f05e3d0f503c92361edcb30e4a96fa6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46be55c8f2760d6db125f46691a3de48.png)
您最近一年使用:0次
2020-10-30更新
|
894次组卷
|
4卷引用:湖北省“荆、荆、襄、宜“四地七校联盟2020-2021学年高三上学期期中联考数学试题
湖北省“荆、荆、襄、宜“四地七校联盟2020-2021学年高三上学期期中联考数学试题江苏省南京市玄武高级中学2020-2021学年高三上学期11月学情检测数学试题江苏省无锡市锡山区天一中学2021届高三高考数学全真模拟试题(一)(已下线)第24讲 最值函数的零点问题-突破2022年新高考数学导数压轴解答题精选精练
20-21高三上·江西南昌·阶段练习
名校
解题方法
5 . 已知椭圆
的离心率为
,
、
分别是椭圆的左、右焦点,过点
的直线交椭圆于
、
两点,且
的周长为
.
(1)求椭圆
的方程;
(2)过点
作斜率为
的直线
与椭圆
交于两点
、
,试判断在
轴上是否存在点
,使得
是以
为底边的等腰三角形.若存在,求点
横坐标的取值范围;若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/851a5d6ec23256f9b4a9e98aa92945fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4dac452fbb5ef6dd653e7fbbef639484.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/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5585a42c8f07ad90b94ace9db3d78994.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8da45c443af7994a26ffa9d8894e7262.png)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5c10f14aae6fb21e047ecb39cdf40c0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2799abb64fd7bfce9dfa7228aa460564.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/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5f517953a21c2a45fd8465072c44bfc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
您最近一年使用:0次
名校
解题方法
6 . 已知椭圆
的离心率为
,
、
分别为椭圆
的左、右焦点,直线
过点
与椭圆
交于
、
两点,当直线
的斜率为
时,线段
的长为
.
(1)求椭圆
的方程;
(2)过点
且与直线
垂直的直线
与椭圆
交于
、
两点,求四边形
面积的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/851a5d6ec23256f9b4a9e98aa92945fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d5989c84e320b504511f23eeb6e7357.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/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.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/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a391005600bdd69c96750589f9adb048.png)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13dea1bd3d0dd84b8b6f6ff634c5600c.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/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/945e93c9f3515ded840de09a9ba81ce8.png)
您最近一年使用:0次
2020-10-29更新
|
637次组卷
|
5卷引用:2019届百校联盟高三TOP20九月联考(全国Ⅰ卷)数学理科试题
7 . 已知函数
,
.
(1)求函数
的单调区间;
(2)令
,求证:函数
存在唯一的极大值点;(定义:若
是函数
的极大值,则称
是函数
的极大值点)
(3)若函数
的图象与函数
的图象交于
,
两点,其中
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec6263576e5c3f2324a8dac311476bf9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1761c734bf02e254630c1828ed19ecc6.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
(2)令
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5d461ac24619c2908985bd261b7ec96.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89e593828316139a54019e352dec883f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd8bd49b94c9cc83c5070d190c54345c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89e593828316139a54019e352dec883f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89e593828316139a54019e352dec883f.png)
(3)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/683987b432e5a51aceed45ac9ef72537.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d6f5adf13b4214666292dd64b947741.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af405a054bfe7fb7ce40e48d816467e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26d8dafc71b106f39f4e15442220897b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b243cae57efa3bf44940124b91dd676.png)
您最近一年使用:0次
名校
解题方法
8 . 已知椭圆
的离心率为
,右焦点为F,以原点O为圆心,椭圆C的短半轴长为半径的圆与直线
相切.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/25/256be89b-622e-4528-ac2c-b4af59b85731.png?resizew=264)
(1)求椭圆C的方程;
(2)如图,过定点
的直线l交椭圆C于A,B两点,连接
并延长交C于M,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/851a5d6ec23256f9b4a9e98aa92945fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d5989c84e320b504511f23eeb6e7357.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc7ca47ea8b78dd4c0389eee8620d523.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/25/256be89b-622e-4528-ac2c-b4af59b85731.png?resizew=264)
(1)求椭圆C的方程;
(2)如图,过定点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37b90d0e45c7c7c410377407aa0a91a6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6aa2b5e09f8ec785c59900a529390a02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b3422ac3a87e200d3f34e048285dcc3.png)
您最近一年使用:0次
2020-10-29更新
|
740次组卷
|
9卷引用:【校级联考】湖南省五市十校教研教改共同体2019届高三12月联考文科数学试题
【校级联考】湖南省五市十校教研教改共同体2019届高三12月联考文科数学试题【校级联考】黑龙江省大庆市实验中学2019届高三下学期数学二模考试(文)数学试题【省级联考】广东省2019届高三适应性考试文科数学试题辽宁省沈阳市五校协作体2019-2020学年高三上学期期中考试数学(文)试题2020届山西省运城市高三调研测试(第一次模拟)数学(文)试题山西省运城市2019-2020学年高三下学期调研测试数学(文)试题(已下线)专题07 解析几何中的证明问题(第五篇)-备战2020年高考数学大题精做之解答题题型全覆盖广东省珠海市第二中学2020-2021学年高二上学期10月月考数学试题(已下线)专题29 圆锥曲线求定值七种类型大题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)
名校
解题方法
9 . 已知
,且
,函数
.
(1)求证:
;
(2)若
恒成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1e69392d21261afd8e5e5f096634669.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6e2e79843faf62dde86bf858d1e0569.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ba7d4609ce61a371499d8e658f65ee2.png)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4be8e0bd1c0b06c0679d71ab7042977d.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3a96ed3718973226243b1ac74e1052c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2020-10-28更新
|
353次组卷
|
3卷引用:安徽省池州市第一中学2020-2021学年高三上学期9月月考数学(理)试题
解题方法
10 . 已知椭圆
的离心率为
,右焦点
.
(1)求椭圆
的方程;
(2)若直线
与圆
相切,且与椭圆
交于
、
两点,求
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/851a5d6ec23256f9b4a9e98aa92945fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5de85df85401e7e8da683ea4a784963c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90ce47fde921058026708a4321a0e213.png)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)若直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c674f3c711069ccc820a033c1acea08.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b7b4bcb812c997db47214cb52c905f99.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/bd3adfb8ef95245d7d073de76ceb053a.png)
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