名校
解题方法
1 . 已知
是偶函数,对任意
,
,且
,都有
,且
,则
的解集是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1fe17821ea81c6fec60bd5273901bd50.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5538517d36ee588c78888d05e068b8c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f13a6b95c1116b29396bef5c6863323.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33bd24e647a626899a243a3f3984f90a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9dd8bbf8d8b088f1df100e2347c351c3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/104375baf5cef5eb92cfc7cf13b80193.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/018857ec6e498113b3b12a730d9313da.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
解题方法
2 . 直线
交
轴于点
,交椭圆上
(
)于相异两点
,
,且
.
(1)求
的取值范围;
(2)将弦
绕点
旋转
得到线段
,设点
的坐标为
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ab466aedd6e176088d8dee7bc3e3aaa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d7aea48c44781a844b5c19191f70f61.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a0c4c098615c6bc7e6dcf72e5b5201a.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/664dd75ac186f08df210f40d98355711.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)将弦
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54e7a123c9cc0e058db28841fb0edcf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84d454c82d9e52747563d47b68099249.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba7204f43679af6935e494c59d40c6ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ffef5fb614a2b2a033451b523a21ac3.png)
您最近一年使用:0次
解题方法
3 . 已知函数
若
,则
的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c0dc5b682dc41874b0fc6790ecc23f2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7dcab59dc639ff9c9424d80e21bd5264.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2021-09-12更新
|
264次组卷
|
2卷引用:云南省富宁县第一中学2020-2021学年高二下学期第三次月考数学(理)试题
4 . 已知数列
的前
项和为
,
,
.
(Ⅰ)求数列
的前
项和为
;
(Ⅱ)求数列
的通项公式;
(Ⅲ)令
,求数列
的前
项和
.
![](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/b13a6e1d671215fc96e4bee3541d1096.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a59368e5ae709bdb9b6ddec2bfa3afde.png)
(Ⅰ)求数列
![](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)
(Ⅱ)求数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
(Ⅲ)令
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7d3d55a85012933f91c5d8d27d8801d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1ae9a3b0b7aeb1545b65d91aa371b3c.png)
您最近一年使用:0次
解题方法
5 . 已知函数
为奇函数,
.
(1)求实数a的值;
(2)若
恒成立,求实数b的取值范围;
(3)若
,
,
在区间
上的值域为
.求实数t的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1de396665356b799b250fab75fa6d2df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0673558fa027341c1b05fd722056a3c1.png)
(1)求实数a的值;
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6311d6b92c0242b3f05621c63d7f245e.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86363d44047e7a13439be95c5ada424f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/78c5de5396257f7ff068da6ed9bf2a33.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8bde1ab0a0348d09bc2e700dcac19dd1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/351629c193354cdcf202133052e45028.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/356ba97e760207321b00f262092bbcf6.png)
您最近一年使用:0次
2021-09-05更新
|
942次组卷
|
5卷引用:云南省永善县第一中学2021-2022学年高二开学考试数学试题
云南省永善县第一中学2021-2022学年高二开学考试数学试题云南省昭通市市直中学2021-2022学年高一下学期第四次联考数学试题(已下线)专题6.3 幂函数、指数函数和对数函数 章末检测3(难)-【满分计划】2021-2022学年高一数学阶段性复习测试卷(苏教版2019必修第一册)(已下线)第6章《幂函数、指数函数和对数函数》 培优测试卷(一)-2021-2022学年高一数学上册同步培优训练系列(苏教版2019)第四章 对数与对数函数 章末测试-2022-2023学年高一数学上学期北师大版2019必修第一册
解题方法
6 . 如图,已知直线
与抛物线
相切于点
,且与
轴交于点
,定点
的坐标为
.
![](https://img.xkw.com/dksih/QBM/2021/4/28/2709693311049728/2798224034119680/STEM/bfd7bd2d-b053-47c6-8ff1-25abc8baa85b.png?resizew=195)
(1)求以
为左焦点且过点
的椭圆
的标准方程;
(2)若过点
的直线
(斜率不等于零)与(1)中的椭圆
交于不同的两点
,
(
在
,
之间),试求
与
面积之比的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e42102c1c07562853219ca5918803a27.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f40d5459e1385ab7d829ea96ca0b946.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73465a1f9aa03481295bf6bd3c6903ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fab8a0cc6504aa4c3a38006f5394b4c2.png)
![](https://img.xkw.com/dksih/QBM/2021/4/28/2709693311049728/2798224034119680/STEM/bfd7bd2d-b053-47c6-8ff1-25abc8baa85b.png?resizew=195)
(1)求以
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73465a1f9aa03481295bf6bd3c6903ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7b3560b239bca664c50848502cc878b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)若过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.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/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1bf7264407abc7b2e3b2ef4baa13da06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3954beda5772eb8d5de1002ddeb81524.png)
您最近一年使用:0次
7 . 已知函数
,
(其中
为自然对数的底数)
(1)求函数
的单调区间和极值;
(2)是否存在实数
,使曲线
在点
处的切线与
轴垂直?若存在,求出
的值;若不存在,请说明理由;
(3)若实数
,
满足
,
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1979d15636d5cd0df71633dc953a47ae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/031771fa0943006547fbf451d9f1d3ce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/041a7c8fc017f596542c5e6ec7d1c40b.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)是否存在实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d448e1bab2873fa8e62adb7148a3c197.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1938c093dd2fbcb752d0eb7a18d143b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11abb76da45ffa52b47c3a6b9a03ac7e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
(3)若实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58b140e221ddf537b8964fff8557cca0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de8610232c77741a37463feba1a66c94.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b30392f451e7c6f2b81ea3990670f900.png)
您最近一年使用:0次
名校
8 . 设
,
为不共线的非零向量,且
.定义点集
.当
,
,且不在直线AB上时,若对任意的
,不等式
恒成立,则实数m的最小值是________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d60dcb171bb7fd972aab8294d63acdb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f68628a408537b1cf3bf1ca2a69731b6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22efe729a7483904bf79e9bfa457a9fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/302c9ccddf829caa89e9539ff9f2ef87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2708fa6298e52f617383efc175b71ddc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d8359db31014b275456bbfb8ad258e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/78c339240a0cac7110beb944e80a3d8f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/099c4e8399e22c10c6abc374bbc25c8a.png)
您最近一年使用:0次
2021-08-29更新
|
860次组卷
|
4卷引用:云南省经开区2021届高三数学(理)模拟试题(一)
云南省经开区2021届高三数学(理)模拟试题(一)黑龙江省哈尔滨市第三中学2021-2022学年高二上学期10月月考数学(普通班)试题(已下线)专题09 平面几何与向量-备战2022年高考数学(文)母题题源解密(全国乙卷)(已下线)热点02 三角恒等变换与解三角形-2022年高考数学【热点·重点·难点】专练(全国通用)
9 . 已知
,
是函数
的两个零点.
(1)求
的取值范围;
(2)证明:
.
![](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/04480282ad003f9189d3dc0a6c0fc1fa.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03ca13a93b5f401c0d39ba52b0cffcb0.png)
您最近一年使用:0次
名校
解题方法
10 . 已知椭圆
过点
,且离心率为
.
(1)求椭圆
的方程;
(2)设直线
(不经过点
)交椭圆
于点
,
,若直线
与直线
的斜率之和为
,求证
过定点.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad523e69a1bf925e73a22900b9855df2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7d8cc13666ef5e288a3c98e2fc56aa9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5de85df85401e7e8da683ea4a784963c.png)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)设直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.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/bd33764ff4efddfe11a98a609753715c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2be49c37e30a3ced0364c3e74d8c687.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acbc6a613224461ade69362d46550474.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
您最近一年使用:0次
2021-08-28更新
|
1005次组卷
|
4卷引用:云南省师范大学附属中学2022届高三高考适应性月考卷(二)数学(理)试题
云南省师范大学附属中学2022届高三高考适应性月考卷(二)数学(理)试题云南省师范大学附属中学2022届高三上学期高考适应性月考卷(二)数学(理)试题贵州省六盘水红桥学校2022届高三适应性月考数学(理)试题(已下线)一轮复习大题专练58—椭圆(定点问题)—2022届高三数学一轮复习