1 . 设函数
,其中
.
(1)当
时,求曲线
在点
处的切线方程;
(2)讨论
的单调性.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/896fd719114787b9dd1da63d45f81f00.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dcd9218a657b17654c5d757a6f7dee9a.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e94f16d5ed858699bfea5039a7bf8ae6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ea9824af71c9da5db5a00ec06063024.png)
(2)讨论
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
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2 . 设![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4b86179b91d1f6a69101a68ea1db8f3.png)
(1)
时,求过
的切线;
(2)讨论函数
的单调性;
(3)
的零点个数少于
个,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4b86179b91d1f6a69101a68ea1db8f3.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c9f8845aa2b51c460f2d798c9f62fa3.png)
(2)讨论函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ca7d1107389675d32b56ec097464c14.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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3 . 已知函数
.
(Ⅰ)当
时,求
在
处的切线方程;
(Ⅱ)讨论函数
的单调性.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/333a7c4dd9f012ee6ef9dc830536e982.png)
(Ⅰ)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
(Ⅱ)讨论函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
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2020-05-19更新
|
667次组卷
|
3卷引用:北京市第五中学2019-2020学年高二下学期第一次段考数学试题
4 . 若函数
为奇函数,且
时
有极小值
.
(1)求实数
的值;
(2)求实数
的取值范围;
(3)若
恒成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/818ae0b30a2ba9ddaffed73785df1c19.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11abb76da45ffa52b47c3a6b9a03ac7e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b03e483e8a37a8e0e1fb327f99ad93ea.png)
(1)求实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)求实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82d22f699f11bc66d3e8574b2169fb0e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
19-20高三下·北京·开学考试
5 . 已知函数
.
(1)若
,求曲线
在点
处的切线方程;
(2)求函数
的单调区间;
(3)若
且
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4480902322e828e9e4f368a7b555d503.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5828873f8369183faf71181cda5b61d2.png)
(2)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59be17b326d55d2b5a339d7de719810e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/957d66d79713470dadd9d36efd0a1bc0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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解题方法
6 . 已知椭圆![](https://staticzujuan.xkw.com/quesimg/Upload/formula/689e1011525feb927bef1c8c81961c0b.png)
(1)求椭圆
的标准方程和离心率;
(2)是否存在过点
的直线
与椭圆
相交于
,
两点,且满足
.若存在,求出直线
的方程;若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/689e1011525feb927bef1c8c81961c0b.png)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)是否存在过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6e298293515d3c5d8343b668fe8541d.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/c7cd0afa4f2f0ed37fd908afe43f2fe0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
您最近一年使用:0次
2020-05-18更新
|
768次组卷
|
4卷引用:北京市怀柔区2019-2020学年高二上学期期末考试数学试题
北京市怀柔区2019-2020学年高二上学期期末考试数学试题北京市2020届高考数学预测卷(已下线)专题20 圆锥曲线综合-2020年高考数学母题题源解密(北京专版)宁夏固原市第五中学2021届高三年级期末考试数学(理)试题
名校
解题方法
7 . 已知椭圆
的右焦点
,且点
在椭圆上.
(1)求椭圆
的标准方程;
(2)过点
且斜率为1的直线与椭圆
相交于
、
两点,求
的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad523e69a1bf925e73a22900b9855df2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90ce47fde921058026708a4321a0e213.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/448c0a5ee776d19ce8e42ac9a5fd27c4.png)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.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/25dd698d57d1cf239eb8752aecaaa4f4.png)
您最近一年使用:0次
2020-05-18更新
|
439次组卷
|
4卷引用:北京市怀柔区2019-2020学年高二上学期期末考试数学试题
名校
8 . 已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23a8b10e80a1a0b2ad9d7485a7da12e8.png)
(1)若函数
在x=1时取得极值,求实数a的值;
(2)当0<a<1时,求
零点的个数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23a8b10e80a1a0b2ad9d7485a7da12e8.png)
(1)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)当0<a<1时,求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
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2020-05-15更新
|
1411次组卷
|
9卷引用:【全国百强校】北京市清华大学附属中学2019届高三下学期第一次模拟考试数学(文)试题
【全国百强校】北京市清华大学附属中学2019届高三下学期第一次模拟考试数学(文)试题【区级联考】北京市东城区2019届高三第二学期综合练习(一)数学(文)试题北京市东城区2018-2019学年度第二学期(4月)高三综合练习一数学文科安徽省固镇县第一中学2018-2019学年高二5月月考数学(文)试题河南省商丘市第一高级中学2019-2020高二下学期期中考试数学(理)试卷广东省广州市越秀区培正中学2019-2020学年高二下学期期中数学试题安徽省六安中学2019-2020学年高二下学期期中数学(理)试题黑龙江省牡丹江市第一高级中学2020-2021学年高三上学期开学考试数学(文)试题吉林省长春市第二十九中学2021-2022学年高三上学期第二次质量检测数学(文)试题
名校
解题方法
9 . 已知函数
.
(Ⅰ)当
时,试判断
零点的个数;
(Ⅱ)若
时,
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd3ff418e579b8471f7df2c4673f5bcb.png)
(Ⅰ)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf0086b054ef120408acac806a1b1318.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(Ⅱ)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2fb40a36a293471742ce75f6b9635b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dc9ede2e55724383dd1093fc7fcdb59.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
2020-05-12更新
|
670次组卷
|
6卷引用:北京市第五中学2021-2022学年高二下学期期中数学试题
名校
10 . 已知函数
,其中
.
(1)当
时,求曲线
在点
处的切线方程;
(2)讨论函数
的极值点的个数,并分别指出极大值点的个数和极小值点的个数;
(3)若函数
有两个极值点
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b9b25b8d164e184b7d2d48e8ac8c04d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86bc584ad930b670e2e46cf1173d4995.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd876a2ed79c64bacc3e64b8ee92735e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5828873f8369183faf71181cda5b61d2.png)
(2)讨论函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(3)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ce7ae90d808f05e86ea063238e4b2f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc1d87d18f06a801a06d1b9bcaad420f.png)
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