名校
1 . 已知函数
.
(1)讨论函数
的单调性;
(2)若
存在两个极值点
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd145f09fc53274840272e8ce2d1a124.png)
(1)讨论函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/776c761fa98d24a8c63727d0545445bc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4de60243e2b5201664048704a3139861.png)
您最近一年使用:0次
2020-07-23更新
|
1335次组卷
|
4卷引用:河南省2019-2020学年高三6月质量押题检测数学文科试题
河南省2019-2020学年高三6月质量押题检测数学文科试题河南省2020届高三(6月份)高考数学(文科)质检试题四川省广安市第二中学校2022-2023学年高三上学期一诊模拟考试数学(理)试题(已下线)专题12 利用导数解决函数的单调性-学会解题之高三数学万能解题模板【2022版】
2 . 已知椭圆
的两个焦点分别为
,
,离心率为
,过
的直线
与椭圆
交于
,
两点,且
的周长为8.
(1)求椭圆
的方程;
(2)若一条直线与椭圆
分别交于
,
两点,且
,试问点
到直线
的距离是否为定值,证明你的结论.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/851a5d6ec23256f9b4a9e98aa92945fe.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://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.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/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5585a42c8f07ad90b94ace9db3d78994.png)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)若一条直线与椭圆
![](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/3825ccc273ef9a672a606432d165b866.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
您最近一年使用:0次
2020-11-14更新
|
641次组卷
|
19卷引用:【全国百强校】河北省衡水市武邑中学2018-2019学年高二上学期第三次月考数学(文)试题
【全国百强校】河北省衡水市武邑中学2018-2019学年高二上学期第三次月考数学(文)试题【全国百强校】河北省武邑中学2018-2019学年高二上学期第三次月考数学(理)试题【全国百强校】广西南宁市第二中学2018-2019学年高二下学期期中考试数学(文)试题内蒙古自治区北京八中乌兰察布分校2018-2019学年高二下学期期中考试数学(文)试题陕西省西安市西安中学2019-2020学年高三上学期10月月考数学(文)试题吉林省长春市德惠市九校2019-2020学年高二上学期期中数学(理)试题河北省承德市隆化县存瑞中学2019-2020学年高三上学期第二次质检数学(文)试题重庆市朝阳中学2019-2020学年高二上学期12月月考数学试题2020届黑龙江省双鸭山市第一中学高三上学期期末数学(文)试题2020届广东省佛山市第一中学高三上学期期中数学(文)试题河北省张家口市第一中学2018-2019学年高一衔接班下学期期末数学试题内蒙古包头市包钢四中2018-2019学年高二下学期4月月考数学(文)试题吉林省吉化第一高级中学校2019-2020学年高二上学期期中数学(理)试题安徽省亳州市涡阳县育萃中学2020-2021学年高二上学期第二次月考数学试题陕西省咸阳市实验中学2020-2021学年高二上学期第四次月考数学(理)试题湖北省石首市2019-2020学年高二下学期期中数学试题四川省内江市威远中学2022-2023学年高二下学期第二次阶段性考试数学(文)试题陕西省咸阳市武功县普集高中2021-2022学年高二上学期第三次月考理科数学试题(已下线)第03讲 复习课-圆锥曲线与方程-【寒假自学课】2022年高二数学寒假精品课(苏教版2019选择性必修第二册)
3 . 已知函数
,曲线
在
处的切线与直线
平行.
(1)求证:方程
在
内存在唯一的实根;
(2)设函数m(x)=min{f(x),g(x)}(min{p,q}表示p,q中的较小者),求m(x)的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8f9326a7e3dc00c37365232e7718f37.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5bea9227dd0104da58e0c40952cc87ed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2297db3c14c256b9691fbb8e5bba978.png)
(1)求证:方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f8bfb563f79688d136e0cb958b5153c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25f114df5ceabdb7e5fd3fdad4eaf056.png)
(2)设函数m(x)=min{f(x),g(x)}(min{p,q}表示p,q中的较小者),求m(x)的最大值.
您最近一年使用:0次
名校
解题方法
4 . 设函数
.
(1)若
恒成立,求实数a的取值范围;
(2)若函数
有两个零点
,
且
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6f216418aa6fcef1c0f50e8fafae08c.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82b87b6dfa01600a3f2583244afaf330.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/9be12a01854adba3abfd07f47dd0903f.png)
您最近一年使用:0次
名校
解题方法
5 . 如图,已知椭圆C:
+
=1(a>b>0)的离心率为
,左、右焦点分别为F1,F2,A为椭圆C上一点,AF1与y轴相交于点B,|AB|=|F2B|,|OB|=
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/3/0ff19da0-48d3-4808-931a-e7a5af57f656.png?resizew=131)
(1)求椭圆C的标准方程;
(2)设椭圆C的左、右顶点分别为A1,A2,过A1,A2分别作x 轴的垂线l1,l2,椭圆C的一条切线l:y=kx+m(k≠0)与l1,l2分别交于M,N两点,求证:∠MF1N=∠MF2N.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7355be4fcbc3130a5951364a3be76d6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5268413295580cfda0755ab458b36b64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4dac452fbb5ef6dd653e7fbbef639484.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d599cb4a589f90b0205f24c2e1fa021e.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/3/0ff19da0-48d3-4808-931a-e7a5af57f656.png?resizew=131)
(1)求椭圆C的标准方程;
(2)设椭圆C的左、右顶点分别为A1,A2,过A1,A2分别作x 轴的垂线l1,l2,椭圆C的一条切线l:y=kx+m(k≠0)与l1,l2分别交于M,N两点,求证:∠MF1N=∠MF2N.
您最近一年使用:0次
2020-10-07更新
|
241次组卷
|
3卷引用:四川省阆中中学2020-2021学年高三9月月考数学(理)试题
6 . 已知函数
,
,
为
的导函数.
(1)讨论
的单调性,设
的最小值为
,并求证:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b362d8c0e69d808cd4f2abda6613927e.png)
(2)若
有三个零点,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6bac8f5a5319b0ee49535cd97b81e5b6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/724340d69477c0ec2418c392b22b1cab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(1)讨论
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/724340d69477c0ec2418c392b22b1cab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/724340d69477c0ec2418c392b22b1cab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b362d8c0e69d808cd4f2abda6613927e.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
名校
解题方法
7 . 若
且
.
(1)判断函数
的单调性(不必证明);
(2)当
时,若
在
上恒成立,求实数a的取值范围;
(3)当
时,若函数
在区间
(其中
)上的值域为
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/388c55b4ffd094a596997953d95ec8c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42bb28003d53334358dddcbb449ba0b9.png)
(1)判断函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7326ea56be82bd616fec7e6aa3c884c8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f66d61d5f66d68b4c4a2a25fd7103621.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ab5e0524def52baf53480b8726784ed.png)
(3)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57b85a97933a1d984f6e484b4021c800.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7403f01b62aaf6fc8f5fab5354d0d3a9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c63bedd412c3002fec7c158bcd02f644.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
您最近一年使用:0次
2021-01-11更新
|
443次组卷
|
3卷引用:福建省漳州市第一中学2020-2021学年高一上学期第二次月考数学试题
8 . (1)求证:当
时,
;
(2)若函数
有三个零点,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b512cdba1ffad10418bb4e46b16765e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e07d31d3d9ba92c40ceb0076b473687.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14928a7d78a13a5d3a33cd2036ecf624.png)
您最近一年使用:0次
名校
解题方法
9 . 在三棱柱
中,已知
,点
在底面
的射影是线段
的中点
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/26/8b5bb68b-018d-42cd-bbbf-84c30c711c98.png?resizew=182)
(1)证明:在侧棱
上存在一点
,使得
平面
,并求出
的长;
(2)求二面角
的平面角的正切值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d3a82b8e587ee890467835bc4e854c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54db4980611d321429658d6ed5b1af53.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a18722354086c42e62334983fc50eb6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/26/8b5bb68b-018d-42cd-bbbf-84c30c711c98.png?resizew=182)
(1)证明:在侧棱
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2777840758e70e7dbbc18cef8f3d6d2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9de7ea432599108b34a0ccaa0f2c75e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58cc6184b191e6da43911e701121517e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
(2)求二面角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7d9489e5f82b60248c1adfcf299032b.png)
您最近一年使用:0次
2021-01-23更新
|
1091次组卷
|
5卷引用:四川省泸州市泸县第二中学2020-2021学年高二上学期期中考试数学(理)试题
名校
10 . 如图,四棱锥
中,
平面
,
,
,
,
.
是棱
上的一点,
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/1/d5011399-d5af-4b86-a96d-509ff12a2eed.png?resizew=192)
(1)求证:平面
平面
;
(2)若二面角
的余弦值为
.多面体
的体积为
,求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5f1897a7e856b42f8cee0f286ad913d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1134c8e3440abb6cd385af2c169037fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10df84d553a8826a7ce9bff4bf0d95b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcd0ced286a0fbc7e4862f8147264277.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/633bf2de732ae51fc06ef3d559915da0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2be49c37e30a3ced0364c3e74d8c687.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e298f750f819b60a3c061d5e504bb6e.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/1/d5011399-d5af-4b86-a96d-509ff12a2eed.png?resizew=192)
(1)求证:平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/677d1863ff4d8ac1604b18149d4f320f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7b7c83470489253394bd288d7c920df.png)
(2)若二面角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5102c216393e133fa25dba98cd78535.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/827ccf0c04aa941ba20d5f4c6068b46b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/279001a2a8b8c77cb126d43f93971ec6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/738c2eb3b99133f96c55b643911d2f28.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
您最近一年使用:0次
2020-05-24更新
|
618次组卷
|
2卷引用:四川省宜宾市叙州区第二中学校2020-2021学年高三上学期第一次月考数学(理)试题