名校
解题方法
1 . 设函数
,其中
.若
存在极值点
,且
,其中
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ced1ba7c003eba18e032f30fd282f9b.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c04d497c9f2b97dc2caad1e70cce11a0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/360ff131c51a4ef6745538c18cec92c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3ac53ee6e74fbdefe0109ab93a7809f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/944ede342597c070831052dc06bca45d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ced1ba7c003eba18e032f30fd282f9b.png)
您最近一年使用:0次
2021-08-24更新
|
593次组卷
|
4卷引用:湖北省武汉市武昌区2020-2021学年高二下学期期末数学试题
湖北省武汉市武昌区2020-2021学年高二下学期期末数学试题(已下线)第5章 导数及其应用(章末测试提高卷)-2021-2022学年高二数学同步单元测试定心卷(苏教版2019选择性必修第一册)(已下线)卷19 2021-2022学年高二上学期第三阶段综合检测卷-【重难点突破】2021-2022学年高二数学名校好题汇编同步测试卷(人教A版选择性必修第二册) 上海市进才中学2023届高三上学期12月月考数学试题
2 . 关于
的方程
在区间
上有三个不相等的实根,则实数
的取值范围是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57eef7c7cb8f7b5467256726476934ce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c76c41773aae617db1c0cc04bcf836f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2021-08-15更新
|
1236次组卷
|
5卷引用:湖北省襄阳市宜城一中、枣阳一中、襄州一中等五校2020-2021学年高二下学期期中联考数学试题
湖北省襄阳市宜城一中、枣阳一中、襄州一中等五校2020-2021学年高二下学期期中联考数学试题(已下线)热点15 函数的零点问题处理策略与解题技巧-2022年高考数学核心热点突破(全国通用版)【学科网名师堂】天津市河西区2022-2023学年高二下学期期中数学试题江西省抚州市黎川县第二中学2023-2024学年高三上学期期中检测数学试题上海市闵行区教育学院附属中学2023-2024学年高二下学期期中考试数学试卷
3 . 已知
,
,
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba4d3681dc6f3730b50e99f6cf7c4b49.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/78b5ea5c94ae1cddafb39203a5c26011.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5de90943b5fa3c06bfd52c648dd4548d.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
解题方法
4 . 已知椭圆
的焦距为
,点
在椭圆
上.
(1)求椭圆
的方程;
(2)直线
与椭圆
交于
,
两点且线段
的中点为
,
的平分线交
轴于点
,求证
轴.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef6b94e42869013745050aba059b58dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41322821ce31416fdac8dd6e0aa41c71.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/894fe538820484f62f225d8bd8aa0c53.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.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/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc2e2a623750437278d536532ab85308.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb686e4f5e3938575bc547e849d5513f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea3a3db6d96518255f96ad7fc1ac98f4.png)
您最近一年使用:0次
5 . 已知函数
,
为
的导函数.
(1)设
,求证:
在
上存在唯一零点;
(2)求证:
在
有且仅有两个不同的零点.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9eb7dc51ac15b839f7cafb68bd52a5c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/724340d69477c0ec2418c392b22b1cab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(1)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c765461ae1a6c70f5cbdcb6c932a22b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c50ee6cffb1fe2f38790d8237d978d6.png)
(2)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3ff8dca35b759d3051b62badd7d76bc.png)
您最近一年使用:0次
6 . 在平面直角坐标系中,
,
,设
的内切圆分别与边
,
,
相切于点
,
,
,已知
,记动点
的轨迹为曲线
.
(1)求曲线
的方程;
(2)过点
作直线
交曲线
于
,
两点,且点
位于
轴上方,已知
,
记直线
,
,
的斜率分别为
,
,
.
①证明:
,
为定值;
②设点
关于
轴的对称点为
,求
面积的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0929421a6188c3122442866b0b85a5e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f55d12701014cf53071093e8739d089b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.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/9536aab5a1c63ace1d81585b1d3ce97d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
(2)过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f55d12701014cf53071093e8739d089b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.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/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e788c747c01bb744d887029acaefee87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51b81d7e0ae6cd2a96fa75ede38b5798.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9399c9a2a31b0e3165aea2d6ccc4f7c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b06b75fb4e379ff3b99e68f40136cad.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a604466a9c8d10d557b3dfc43b547065.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6defc43285a40f7ccb74c1cc04265eba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/423b7ae39db552e60ee8b1d27312306f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dbf434334b09cc0fdd4e86e84e6ceb00.png)
①证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38b24e546f45d3d10b981a515a8ee3ec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67351fe10fcfc3f9072eec4c60bfaaa5.png)
②设点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7688363f5ffff23a6193c7a8eee501c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a21bb2894d15ddf1e481c7c3b7c6c69b.png)
您最近一年使用:0次
2021-07-14更新
|
257次组卷
|
2卷引用:湖北省荆、荆、襄、宜四地七校2020-2021学年高二下学期期中联考数学试题
7 . 已知函数
有两个零点
,
,则下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a8eb9378db331a646af26af2daba19e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aec19b68e3add9d5bfcc6269a1855b87.png)
A.![]() | B.![]() |
C.![]() | D.![]() ![]() ![]() |
您最近一年使用:0次
名校
8 . 已知函数
(
).
(1)当
时,讨论函数
的单调性;
(2)若函数
恰有两个极值点
,
(
),且
,求
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a6660bbe645ff733a6f66c4f6f34d00.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22dd8b3dc4c609bab82d356a5cc2208d.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/510c76614b24ad117d20c644f16a1732.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.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/26d8dafc71b106f39f4e15442220897b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4996fc83eb53055f418ec67e618e6593.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8dc531505ec45b8eb8ae4fad88d69e8.png)
您最近一年使用:0次
2021-07-14更新
|
2288次组卷
|
9卷引用:湖北省重点高中智学联盟2020-2021学年高二下学期期末联考数学试题
湖北省重点高中智学联盟2020-2021学年高二下学期期末联考数学试题山东省淄博市淄博实验中学2021-2022学年高三上学期10月月考数学试题黑龙江省哈尔滨市第九中学校2021-2022学年高三上学期10月月考数学(理)试题湖北省武汉中学2022-2023学年高二下学期5月月考数学试题(已下线)第07讲 极值点偏移:商型-突破2022年新高考数学导数压轴解答题精选精练(已下线)专题05 极值点偏移问题与拐点偏移问题-1(已下线)第六章 导数与不等式恒成立问题 专题九 双变量不等式恒成立问题 微点3 双变量不等式恒成立问题之换元法福建省连城县第一中学2022届高三上学期期末模拟考数学试题(已下线)专题7 导数与极值点偏移【练】
解题方法
9 . 已知函数
.
(1)求曲线
过点
处的切线方程;
(2)求
在
上的最大值和最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7cf4327ae5cdddf84232cfd458a29031.png)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76095b03d243fead89a6493614e4b68a.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ead3fdcb8fe8f5eb3dbe7d96cabc28b.png)
您最近一年使用:0次
解题方法
10 . 已知函数
.
(1)讨论函数
的单调性:
(2)当
时,函数
有三个不同的零点
,
,
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdf0ed48121700a8ba4510055f123bea.png)
(1)讨论函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f27e63852b85964cc92d4f34299ea3ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.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/291c25fc6a69d6d0ccfb8d839b9b4462.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/28027a92bf94e5a393bd342afd7aa390.png)
您最近一年使用:0次