解题方法
1 . 已知函数
在R上连续,且存在导函数
,对任意实数x,满足
,当
时,
.若
,则x的取值范围是________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a4b04824a308519a61318a82aa97a05.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c9333496d9d516dfff9a8f79b0b25d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58e82c4003d20b36777f7aea584e3dd4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07370085c170b6e5cec19da627a3d58c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/377fc3bdedde5c9283e6e0d1dc205d41.png)
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2 . 设a,b为正整数,且
是函数
的一个零点,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92682840e2a230de346562b2032f8adb.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d0ac5e4a6ef4f217b2ffb08aea29489.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/579a761c1d6caec68e40f196a9ce633e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92682840e2a230de346562b2032f8adb.png)
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3 . 如图,椭圆
和
有相同的焦点
,离心率分别为
为椭圆
的上顶点,
与椭圆
交于点B,若
,则
的最小值为_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ace33c3443bed80275fe9e690d850d2c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8dafca560c47c8fb4ed217c15539f5b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d2a97987f71835f519b462f5b8f5957.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f808889a5870c7be4b96be301bb388ec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ac86e1c253297a377e14fb9a1689be8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/323842451e79bcbb1c1a3a7de77aba21.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c689870513662663e618c2de3f5fadf.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/6/9e842587-7f31-42b5-be01-b4e0b0f700ff.png?resizew=198)
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名校
解题方法
4 . 正三棱锥
,
,点
为侧棱
的中点,
分别是线段
上的动点,则
的最小值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41e5db1d2fd912f77923e4c120a7dc19.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d3d94b92742a4c7618f2fae04077999.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a6e2867f32d3f1c3cd36cd3a11a8580.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7789a500686c7a73770404ead6af0590.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/348609a2306c3bc5e423ea9d9fc8e595.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9feb2e7f539add884c7b8fa909ac3.png)
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2024-02-18更新
|
255次组卷
|
3卷引用:浙江省绍兴市上虞区2023-2024学年高二上学期期末质量调测数学试题
23-24高二上·北京·期末
名校
解题方法
5 . 已知
、
满足:
,
,
,则代数式
的取值范围是_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12a3efb79f35db8448f3391252ab7d4e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0587fa5c764b6d5d8439677fad912f61.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de38bc7405c8e0cf130ba2d13c374783.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4017e4ab7a3ebbc318ec0072e855f4f4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef060897bb5df181b68720f23ce61eaf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/190b47b9b96ea962abe5cd6f72295e03.png)
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解题方法
6 . 已知双曲线
的离心率为2,左、右焦点分别为
、
,且
到渐近线的距离为3,过
的直线与双曲线C的右支交于
、
两点,
和
的内心分别为
、
,则
的最小值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83bf4fd84818abac17a9d21237ac5ce5.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/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.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/b2cfd997d3b66a3b8f7731b26f0ab0c8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/47444b5fbc4252516d54263062e47c81.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/084cf5ffced059f5653ee2a1023518b7.png)
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2023-10-09更新
|
704次组卷
|
5卷引用:第三章 圆锥曲线的方程(知识归纳+题型突破)-2023-2024学年高二数学单元速记·巧练(人教A版2019选择性必修第一册)
(已下线)第三章 圆锥曲线的方程(知识归纳+题型突破)-2023-2024学年高二数学单元速记·巧练(人教A版2019选择性必修第一册)四川省眉山市东坡区2023-2024学年高二下学期期5月联考数学试题陕西省西安市2024届高三上学期10月模拟理科数学试题(已下线)考点11 圆锥曲线的定义及其应用(椭圆,双曲线,抛物线) 2024届高考数学考点总动员【练】(已下线)黄金卷04
名校
解题方法
7 . 已知椭圆
:
的左、右焦点分别为
,
,点
是椭圆
上任意一点,且
的取值范围为
.当点
不在
轴上时,设
的内切圆半径为
,外接圆半径为
,则
的最大值为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7dd54b9df3402ad91e2d34c40efe0c7a.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/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e6f0171d63a91a3d21e2fdfd8a22bb2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44284ff1ea50429a0610e13363be6080.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/b42fc33bcfc63ec2f4940ccd3f862400.png)
![](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/1019d4ad2e3fb4a7abb66e0e9e55b556.png)
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2023-09-15更新
|
759次组卷
|
3卷引用:重庆市第一中学校2023-2024学年高二上学期9月月考数学试题
重庆市第一中学校2023-2024学年高二上学期9月月考数学试题辽宁省部分名校2023-2024学年高二上学期联考数学试题(已下线)第三章 圆锥曲线的方程(压轴必刷30题7种题型专项训练)-【满分全攻略】2023-2024学年高二数学同步讲义全优学案(人教A版2019选择性必修第一册)
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8 . 重庆荣昌折扇是中国四大名扇之一,其精雅宜士人,其华灿宜艳女,深受各阶层人民喜爱.古人曾有诗赞曰:“开合清风纸半张,随机舒卷岂寻常;金环并束龙腰细,玉栅齐编凤翅长”.荣昌折扇平面图为下图的扇形
,其中
,动点
在
上(含端点),连接
交扇形
的弧
于点
,且
,则下列说法正确的是_________ .
①若
,则
②若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00510003734c0327cd675683861f251b.png)
③
④
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6bf126cfed85fa9b7720ec6f7b0008dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e0290d06fd170b883090a95cadc7ea0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83bb3820bab977db734f4335e4fde720.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abd13974aebe38eb2a1d744a01ea5aa5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4819c39c281427826e1b3f7a4c2b720.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16d65cecaf8a3dc2953f4109c75a981e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4b4f6e4185297e39eff72d2d986f02f.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/9/1/1d89adfa-5177-4b10-b077-fb06d4be6a07.png?resizew=195)
①若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d77f5191798242b7b9b88a75e17e4425.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c54c86523c688582bbdb52ada6a7fa72.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08b9f0b9e53a83e68f5fec944f343119.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00510003734c0327cd675683861f251b.png)
③
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ec980d43b1dbf2a7e6bc7fcba9fbd78.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2fe15ae38508509281301131e20e4707.png)
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解题方法
9 .
中,角A,B,C满足
,则
的最小值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ffdb2c5f6e426cd3a0243cc6a6bd7512.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6cd00662d7395918fac8794d85ee13a5.png)
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2023-08-11更新
|
967次组卷
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4卷引用:江西省抚州市黎川县第二中学2023-2024学年高二上学期开学考试数学试题
江西省抚州市黎川县第二中学2023-2024学年高二上学期开学考试数学试题山东省泰安市泰山区山东省泰安第一中学2022-2023学年高一下学期6月月考数学试题(已下线)专题5?三角函数与解三角形(已下线)9.1.2余弦定理-同步精品课堂(人教B版2019必修第四册)
名校
解题方法
10 . 已知
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/02993364c994c5ac9935e4f1d1d87453.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08f4ee3dcdc79ce31d34b459b8827be5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/02993364c994c5ac9935e4f1d1d87453.png)
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2023-08-03更新
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8卷引用:安徽省阜阳市第三中学2023-2024学年高二上学期一调考试(10月月考)数学试题
安徽省阜阳市第三中学2023-2024学年高二上学期一调考试(10月月考)数学试题江苏省徐州市睢宁县第一中学2023届高三下学期5月模拟数学试题(已下线)5.5 三角恒等变换(精练)-《一隅三反》(已下线)5.5.2 简单的三角恒等变换精讲-【题型分类归纳】(人教A版2019必修第一册)(已下线)考点11 倍(半)角公式及其应用 --2024届高考数学考点总动员【练】(已下线)大招8 万能公式(已下线)压轴小题3 三角函数与恒等变换结合问题广东省佛山市南海区南海中学分校2023-2024学年高一下学期第一次教学质量检测(4月)数学试题