1 . 若数列
的前
项和为
,关于正整数
的方程
记为
,命题
:对于任意的
,存在等差数列
使得
有解;命题
:对于任意的
,存在等比数列
使得
有解;则下列说法中正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/159f08aed9d004e3194fb892d49c9f58.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10bbdef421c976962a270a2beabbad91.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10bbdef421c976962a270a2beabbad91.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
A.命题![]() ![]() | B.命题![]() ![]() |
C.命题![]() ![]() | D.命题![]() ![]() |
您最近一年使用:0次
解题方法
2 . 已知正方体
的棱长为
,
,
,…,
为正方形
边上的
个两两不同的点.若对任意的点
,存在点
.使得直线
与平面
以及平面
所成角大小均为
,则正整数
的最大值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ca7d1107389675d32b56ec097464c14.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/522230546d4b802094e86ceb48c2ba38.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b4f150ab98bde511e0f65d9bafab031.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef1c7229e345be3a4857b91d27126c88.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5133d362ef515b043a84137fa7ae041.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a09e539359aa3e89cbedac9ebc132e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a696a182fff038a86b2bbe8ca099442.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7ec3459d2532975bfe73abccf5c88b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f72ce770db5a892b3f10f711dc67f5b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/037fb348109dc2063a268b10eb925a57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
您最近一年使用:0次
解题方法
3 . 如图
,已知椭圆
的方程为
和椭圆
,其中
分别是椭圆
的左右顶点.
恰好为椭圆
的两个焦点,椭圆
和椭圆
有相同的离心率,求椭圆
的方程;
(2)如图
,若椭圆
的方程为
.
是椭圆
上一点,射线
分别交椭圆
于
,连接
(
均在
轴上方).求证:
斜率之积
为定值,求出这个定值;
(3)在(2)的条件下,若
,且两条平行线的斜率为
,求正数
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bcd8ee2d8367c167d6ae0abc741b6b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/347b68f42934c74e0d759a67613a1da9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc3082b0f763a3f9a73d1c3e5e448f74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f09757d013574cf058d5bb944fdf034a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bcd8ee2d8367c167d6ae0abc741b6b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bcd8ee2d8367c167d6ae0abc741b6b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f09757d013574cf058d5bb944fdf034a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bcd8ee2d8367c167d6ae0abc741b6b8.png)
(2)如图
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bcd8ee2d8367c167d6ae0abc741b6b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c763113a1fc48e8acc83787b8cd24eec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f09757d013574cf058d5bb944fdf034a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bcaebaf8ceed245eba896f36d8ff14b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bcd8ee2d8367c167d6ae0abc741b6b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7789a500686c7a73770404ead6af0590.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1470a8fcbdd2fa9badb34e498d14de1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b11b45b1ae99a58e5aac679974dabcf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d82875c5fd5f92475e5def5fb14207fd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6398cc77bc5e5a65168505985fcbc36b.png)
(3)在(2)的条件下,若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fec853fb315a3c7ce3699bc4ca0d74f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3d17816617696dc58a42cacaa454e18.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
您最近一年使用:0次
4 . 已知定义域为
的函数
,其图象是连续的曲线,且存在定义域也为
的导函数
.
(1)求函数
在点
的切线方程;
(2)已知
,当
与
满足什么条件时,存在非零实数
,对任意的实数
使得
恒成立?
(3)若函数
是奇函数,且满足
.试判断
对任意的实数
是否恒成立,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3ed15aa3dcc4211fb520b5b942c989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0afb80007983e5b99dcdeebf87d18ff4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/851c68ef2e0703706f3b528daa902eb8.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44d0d5f2bae6b38d6877b8b40865e834.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3832d863e6cefdfe45cff4319e1fbdb.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a48a3e7a13ec19e1ba5ba54e520c76df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e06618e1fff402ca9269e10a396532f.png)
(3)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e084f839e9b7a03fea8b0b596674fb2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84ddc12af8da0819a120eaae5858c4ad.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
您最近一年使用:0次
名校
解题方法
5 . 若函数
满足:对任意的实数
,
,有
恒成立,则称函数
为 “
增函数” .
(1)求证:函数
不是“
增函数”;
(2)若函数
是“
增函数”,求实数
的取值范围;
(3)设
,若曲线
在
处的切线方程为
,求
的值,并证明函数
是“
增函数”.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5873c01192b7d33b7483f444f90b5b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b9cec0474c43086ea39cb457048313c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dca031c9a6a1199cfee4c3d91c52099.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/916ae6490922319a1d394fbedd8d951a.png)
(1)求证:函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2b9643da0c0fea4f099f9a9133d6076.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/916ae6490922319a1d394fbedd8d951a.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b34671abe25726a52a57850ab248fe8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/916ae6490922319a1d394fbedd8d951a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(3)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/974f122681f314e8202e02861cabf8cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a1cfb60420ff7e72c1b9d64f69ae063.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11abb76da45ffa52b47c3a6b9a03ac7e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d77f5191798242b7b9b88a75e17e4425.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a1cfb60420ff7e72c1b9d64f69ae063.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/916ae6490922319a1d394fbedd8d951a.png)
您最近一年使用:0次
2023-12-21更新
|
738次组卷
|
6卷引用:上海市奉贤区2024届高三一模数学试题
上海市奉贤区2024届高三一模数学试题(已下线)上海市奉贤区2024届高三一模数学试题变式题16-21重庆市育才中学校2023-2024学年高二下学期三月拔尖强基联盟联合考试巩固测试数学试题四川省屏山县中学校2023-2024学年高二下学期第一次阶段性考试数学试题(已下线)上海市高二下学期期末真题必刷03(常考题)--高二期末考点大串讲(沪教版2020选修)(已下线)拔高点突破05 函数与导数背景下的新定义压轴解答题(九大题型)
名校
解题方法
6 . 已知椭圆
的焦距为
,离心率为
,椭圆的左右焦点分别为
、
,直角坐标原点记为
.设点
,过点
作倾斜角为锐角的直线
与椭圆交于不同的两点
、
.
(1)求椭圆的方程;
(2)设椭圆上有一动点
,求
的取值范围;
(3)设线段
的中点为
,当
时,判别椭圆上是否存在点
,使得非零向量
与向量
平行,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48da128547c4cf9745e8e4b99988a3db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38387ba1cadfd3dfc4dea4ca9f613cea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/860884c0017c8bceb5b0edff796c144f.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/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18704146ef2e010ebf1e70041d8766da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(1)求椭圆的方程;
(2)设椭圆上有一动点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f0da052f94c43ff2a16f70d38d55fc3.png)
(3)设线段
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ddcc04a16303a22b623cdedba9efdc0e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e723e57753f0a4fe1ef8ca1aee0e2117.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bad299e2782c072d27e1c54422cc8fc.png)
您最近一年使用:0次
2023-12-21更新
|
797次组卷
|
9卷引用:上海市奉贤区2024届高三一模数学试题
上海市奉贤区2024届高三一模数学试题2024年普通高等学校招生伯乐马模拟考试(二)数学(理)试卷(已下线)专题03 圆锥曲线的方程(4)(已下线)专题18 圆锥曲线高频压轴解答题(16大题型)(练习)(已下线)专题06 平面向量(15区新题速递)(已下线)专题07 解析几何(三大类型题综合)15区新题速递(已下线)重难点14 圆锥曲线必考压轴解答题全归类【十一大题型】(举一反三)(新高考专用)-2(已下线)上海市奉贤区2024届高三一模数学试题变式题16-21(已下线)上海市高二下学期期末真题必刷04(压轴题)--高二期末考点大串讲(沪教版2020选修)
7 . 已知正方体
的棱长为1,
,则
的最大值是____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f3cb5b2425d4780cc8c0ac3798d3400.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed5e4657f7daa2bb47dc2260f9cb4193.png)
您最近一年使用:0次
名校
解题方法
8 . 定义:若曲线C1和曲线C2有公共点P,且在P处的切线相同,则称C1与C2在点P处相切.
(1)设
.若曲线
与曲线
在点P处相切,求m的值;
(2)设
,若圆M:
与曲线
在点Q(Q在第一象限)处相切,求b的最小值;
(3)若函数
是定义在R上的连续可导函数,导函数为
,且满足
和
都恒成立.是否存在点P,使得曲线
和曲线y=1在点P处相切?证明你的结论.
(1)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16e3eea6e9e68deb9799e4492f596c48.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1938c093dd2fbcb752d0eb7a18d143b2.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c13ca144c2fe2e7a2a42cb25785ec4b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b466f39f2a89f9acc35986098b1a31b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f786a5701dc1a8a015e8843c3360151b.png)
(3)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20d0c99ddd028f0bc3b1d64924ff0f61.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a401146416b25488b8b21501e5d9ab4f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cda01771ec500241e3b99d0b63ea3a8b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bcf2dd9defca825ed67709b3b67d2b4e.png)
您最近一年使用:0次
2023-05-28更新
|
561次组卷
|
4卷引用:上海市奉贤中学2023届高三三模数学试题
上海市奉贤中学2023届高三三模数学试题(已下线)上海市华东师范大学第二附属中学2022-2023学年高二下学期期末数学试题上海市上海中学东校2023-2024学年高二下学期5月月考数学试卷(已下线)上海市高二下学期期末真题必刷04(压轴题)--高二期末考点大串讲(沪教版2020选修)
名校
解题方法
9 . 已知双曲线T:离心率为e,圆O:
.
(1)若e=2,双曲线T的右焦点为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be92f0e0012a7696c78e3e00513edefd.png)
(2)若圆O过双曲线T的右焦点F,圆O与双曲线T的四个交点恰好四等分圆周,求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b07c65287d6fdeb7932e62258735fa6.png)
(3)若R=1,不垂直于x轴的直线l:y=kx+m与圆O相切,且l与双曲线T交于点A,B时总有
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f788fb0059b7356dc6c7811f46057e66.png)
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10 . 设
,
,A、D为曲线
上两点,B,C为曲线
上两点,且四边形ABCD为矩形,则实数b的取值范围为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc4bd98950fa184af6ba0b4559b968e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81d4d11daf8b4f9fb3bdc7f648114714.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1938c093dd2fbcb752d0eb7a18d143b2.png)
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