解题方法
1 . 已知双曲线
的一个焦点为
为坐标原点,点
在双曲线上运动,以
为直径的圆过点
,且
恒成立,则
的离心率的取值范围为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/844a1c77cdc51fb57f2fc55d791ea64f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09224287f31db61f4335560cdaf28ae3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ed568f7b6490ebbb104d105dbc07f6e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
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解题方法
2 . 已知
是边长为1的正六边形边上相异的三点,则
的取值范围是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24e0c10fb103930eabd5fa18e8f9bb06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4ed86beeec5a7e4201187c8d7681fc6.png)
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解题方法
3 . 如图,已知
是边长为1的正
的外心,
,
,
,
为
边上的
等分点,
,
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/daa5e9bd516f6282483b92cfe6074623.png)
为
边上的
等分点,
,
,
,
为
边上的
等分点.
时,求
的值;
(2)当
时,
①求
的值(用含
,
的式子表示);
②若
,分别求集合
中最大元素与最小元素的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2708fa6298e52f617383efc175b71ddc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b9cb8e6ff801523b0304576cd69fd2d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/daa5e9bd516f6282483b92cfe6074623.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf83e20035c3afd6d26ebfd53d768a70.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a0876215b2fd463d151523cd3c6b447.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a86380a6d6501f6504dcb4aa5e3099f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eae863e7a1f1fed09f1075de4a817c63.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/daa5e9bd516f6282483b92cfe6074623.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15520cf5be7c2685975aac51bc99ac4f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a0876215b2fd463d151523cd3c6b447.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/172722d11ea7e01411fa06dbb82f46ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fbd49bf20f987c05b4d36e31549075c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/daa5e9bd516f6282483b92cfe6074623.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5a2d3cd8e283ae9d04bee5ab2e0895b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a0876215b2fd463d151523cd3c6b447.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2521506a29dfa82b76370f6621b5e43.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3952629cca6da0880b0f8dc5ceb9c29c.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fac3649308b528fd56545ba102dc42d5.png)
①求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d033757b134d90489cbf2ab91518d12c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7600d2cfbdc6146db96cc545706004f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
②若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f8aa437b78c62ad8a8e27f2d8045640b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
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解题方法
4 . “奔驰定理”因其几何表示酷似奔驰的标志得来,是平面向量中一个非常优美的结论.奔驰定理与三角形四心(重心、内心、外心、垂心)有着神秘的关联.它的具体内容是:已知M是
内一点,
,
,
的面积分别为
,
,
,且
.以下命题正确的有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d011d6ad89d0b033f96c2efbb314d78.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82e8ecb371ce77dca5554e8e03b41386.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f4b0c4b339f44bbac0e275eb0718234.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2319b6a5373bc8eb13772b8e6d047779.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ea3c7cd2f23b4521e64a7e64844ec48.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/089e8a7f6c535fc3cd270af428d55f65.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3afa82e5fe030c75811189079efa4bd.png)
A.若![]() ![]() |
B.若M为![]() ![]() |
C.若M为![]() ![]() ![]() |
D.若![]() ![]() ![]() ![]() |
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解题方法
5 . 如图,四边形
中
,
,若
,且
,则
面积的最大值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be9d8062880573fcadba3810710c69c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a23f01af749100e1888bba06268843db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/935244791bcca599b5c650b291f908a0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43d4e310d0fcae361b49f636a7ba4913.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ac451db3443cabb204f96c31fd4a02e.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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解题方法
6 . 如图,已知
是边长为1的正
的外心,
为
边上的
等分点,
为
边上的
等分点,
为
边上的
等分点.
时,求
的值;
(2)当
时.
①求
的值(用含
,
的式子表示);
②若
,分别求集合
中最大元素与最小元素的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1db4fe79b98486f0d4556f37d64d74f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a0876215b2fd463d151523cd3c6b447.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6faaeb653a3fc73570c131dc8a81c38d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a0876215b2fd463d151523cd3c6b447.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dba2ed83f255ca4c4037358d06c2fc0b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a0876215b2fd463d151523cd3c6b447.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d6ea0392d4bd0374c8a2b12a355e4655.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18627eab55012586f5894d21a11f17f5.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fac3649308b528fd56545ba102dc42d5.png)
①求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0caf7b43a7461be3e697613fe2ca2112.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7600d2cfbdc6146db96cc545706004f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
②若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/caababdb90e1cac74532c256c4c42139.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
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2023-07-04更新
|
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6卷引用:湖南省常德市津市市第一中学2023-2024学年高一下学期4月月考数学试题
湖南省常德市津市市第一中学2023-2024学年高一下学期4月月考数学试题(已下线)专题06 期末解答压轴题-《期末真题分类汇编》(上海专用)(已下线)上海市高一下学期期末真题必刷04-期末考点大串讲(沪教版2020必修二)(已下线)考题猜想03 平面向量-期末考点大串讲(沪教版2020必修二)上海市上海中学2022-2023学年高一下学期期末数学试题(已下线)8.2 向量的数量积-同步精品课堂(沪教版2020必修第二册)
名校
7 . 在
中,点O满足
,且AO所在直线交边BC于点D,有
,
,
,则
的值为___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14d884f5fa364ef1333de6b915adf76c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c8622a2f049ec3782bb8825cff0c311e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5bf182b6b529e49941299366a9f7eca9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be40c200b2b6427acd4665cd37fafeb5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d839445c01dc80102befeec1e4fa2250.png)
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3卷引用:第9章 平面向量 单元综合检测(难点)-《重难点题型·高分突破》(苏教版2019必修第二册)
(已下线)第9章 平面向量 单元综合检测(难点)-《重难点题型·高分突破》(苏教版2019必修第二册)吉林市第一中学2024届高三高考适应性训练(二)数学试题湖南省湖湘教育三新探索协作体2022-2023学年高一下学期4月期中联考数学试题
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8 . 已知
中,
,
,且![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0feae1228d8a659d5b28676f8ac8d25b.png)
的最小值为
,若P为边AB上任意一点,则
的最小值是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00dc923e1b4f6a795bfd70cd698dfdd3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6bf13d86d78123424a56ef6ccb839bef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0feae1228d8a659d5b28676f8ac8d25b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8961aea10a87f52c493adf1fce4a470.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38387ba1cadfd3dfc4dea4ca9f613cea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bea2ee6084ccda017840830036dddc23.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2133次组卷
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4卷引用:第一次月考选择题压轴题十四大题型专练-举一反三系列
(已下线)第一次月考选择题压轴题十四大题型专练-举一反三系列湖南省常德市津市市第一中学2023-2024学年高一下学期4月月考数学试题辽宁省沈阳市第二十中学2022-2023学年高一下学期期初考试数学试题天津市第四十七中学2023-2024学年高三上学期第一次阶段性检测数学试题
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9 . 如图,在
中,
是
边上一点,且
,
为直线
上一点列,满足:
,且
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af9bbe98100c8067ff36ac536d043a85.png)
___________ ,设数列
,则
的通项公式为___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5924265437018c82f0e887fba99daad.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5249105992198a3cbd7a4a643e5a1ce8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f406d1d51975809d406a561d4d9d18e4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ecf69901899bba130968c7a091790d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af9bbe98100c8067ff36ac536d043a85.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88d48868b259993d0000b7c47525ebcb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
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7卷引用:专题05 数列 第一讲 数列的递推关系(分层练)
(已下线)专题05 数列 第一讲 数列的递推关系(分层练)(已下线)【讲】专题10 数列与其它知识的交汇问题(已下线)【练】 专题9 与图表有关的数列问题黑龙江省哈尔滨市第九中学校2022-2023学年高三上学期第三次月考数学试题天津市滨海新区大港第一中学2022-2023学年高三上学期1月阶段性测试数学试题江苏省盐城市响水中学2022-2023学年高二下学期期末模拟数学试题福建省厦门外国语学校2024届高三上学期期中考试数学试题
名校
解题方法
10 . 三棱锥
中,顶点P在平面ABC的射影为O,满足
,A点在侧面PBC上的射影H是
的垂心,
,此三棱锥体积的最大值是____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63397cda22cb1fad59cf966dfb588643.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/533aec812673c602f025e1a52b9c60ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c025ee3317be1099b7bf03a11e37ed4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c19f0fcacac715a1200770516d1e4a67.png)
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3卷引用:第二章 立体几何中的计算 专题三 空间体积的计算 微点4 四面体体积公式拓展综合训练【培优版】
(已下线)第二章 立体几何中的计算 专题三 空间体积的计算 微点4 四面体体积公式拓展综合训练【培优版】福建省三明第一中学2022-2023学年高二上学期第一次月考数学试题湖北省武汉市第三中学2022-2023学年高二上学期期中模拟数学试题