名校
解题方法
1 . 若点P为
所在平面内一点,且
,则点P叫做
的费马点.当三角形的最大角小于
时,可以证明费马点就是“到三角形的三个顶点的距离之和最小的点”,即
最小.已知点O是边长为2的正
的费马点,D为BC的中点,E为BO的中点,则
的值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1eab88a16df610f20dd46a44ba098d8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c0927afc571a7c966c98192040979e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7ed53a398b1d6b7b4abbb43a9abcf1f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c2372bef75fa2ba16e360b552fcf6cd.png)
您最近一年使用:0次
2023-05-20更新
|
1065次组卷
|
7卷引用:广西南宁市第二中学2023-2024学年高一下学期5月月考数学试卷
广西南宁市第二中学2023-2024学年高一下学期5月月考数学试卷辽宁省辽东区域教育科研共同体2022-2023学年高一下学期期中考试数学试题上海市华东师范大学第三附属中学2022-2023学年高一下学期期末数学试题(已下线)第五篇 向量与几何 专题15 几何最值(费马点、布洛卡点等) 微点3 费马点、布洛卡点综合训练(已下线)专题01 平面向量压轴题(1)-【常考压轴题】(已下线)6.3.5 平面向量数量积的坐标表示——课后作业(提升版)(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)
解题方法
2 . 如图2,P-ABCD为四棱锥.
![](https://img.xkw.com/dksih/QBM/2023/1/5/3146245825396736/3147188518641664/STEM/131a78e7c2bb431ebf0e22f7250b22d4.png?resizew=227)
(1)若
,求证:
,
(2)若P-ABCD为正四棱锥,且
,求底面中心O到面PCD的距离.(要求用向量知识求解)
![](https://img.xkw.com/dksih/QBM/2023/1/5/3146245825396736/3147188518641664/STEM/131a78e7c2bb431ebf0e22f7250b22d4.png?resizew=227)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22adb46703ebc32abc5608c3ffa3ee79.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c62ee86d61df389e770300c81611e630.png)
(2)若P-ABCD为正四棱锥,且
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f235e99b0b55ac252c4b18cc315dc114.png)
您最近一年使用:0次
名校
解题方法
3 . 十字测天仪广泛应用于欧洲中世纪晚期的航海领域,主要用于测量太阳等星体的方位,便于船员确定位置.如图1所示,十字测天仪由杆AB和横档CD构成,并且E是CD的中点,横档与杆垂直并且可在杆上滑动.十字测天仪的使用方法如下:如图2,手持十字测天仪,使得眼睛可以从A点观察.滑动横档CD使得A,C在同一水平面上,并且眼睛恰好能观察到太阳,此时视线恰好经过点D,DE的影子恰好是AE.然后,通过测量AE的长度,可计算出视线和水平面的夹角
(称为太阳高度角),最后通过查阅地图来确定船员所在的位置.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/5/2/f340736c-a23f-4b3e-a3ef-710244b4e922.png?resizew=359)
(1)若在某次测量中,横档
的长度为20,测得太阳高度角
,求影子AE的长;
(2)若在另一次测量中,
,横档
的长度为20,求太阳高度角的正弦值;
(3)在杆AB上有两点
,
满足
.当横档CD的中点E位于
时,记太阳高度角为
,其中
,
都是锐角.证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5157b42da58d55daad27d98b2fec15ff.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/5/2/f340736c-a23f-4b3e-a3ef-710244b4e922.png?resizew=359)
(1)若在某次测量中,横档
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33b528818e98c5c2ddf301048b4228d2.png)
(2)若在另一次测量中,
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af0e847821c95966efc534f26fbe4f6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
(3)在杆AB上有两点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a18722354086c42e62334983fc50eb6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd3b9e816b14051f785aa5aae72b8eed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2059d1b10017e04aa35812c0354049b7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e819b87f90651d89fcd258c276294e43.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cafc046509e3ca71090d8a1de862efa2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/943b765718479c160ba61ec5c6f8c5f4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e29bf5652f0d4f764c3606efcdb445f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dadb2357b7a648d3a69c7a84dbdffcc0.png)
您最近一年使用:0次
2023-04-26更新
|
1483次组卷
|
6卷引用:广西桂林市平乐县平乐中学2022-2023学年高一下学期期中考试数学试题
4 . 设
为正整数,
,
,令![](https://staticzujuan.xkw.com/quesimg/Upload/formula/649309617a29d1b9d4b2373d3c1c2946.png)
.求证:存在
使得
,
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4887473a8091e1ef53a169cc9f211e3a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e65369cec2aac72a87c314f4c7ba143.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0be022d2478bb5f67d3e98f1319ea821.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/649309617a29d1b9d4b2373d3c1c2946.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/264d2ca5912fe1d6c354d7b0fd5efe4f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00a28be4d5a16cf245f6fa7c4088fee4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c0f7741f4975d9df3daa0c1cdd23c9df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/264d2ca5912fe1d6c354d7b0fd5efe4f.png)
您最近一年使用:0次
名校
5 . 由
个小正方形构成长方形网格有
行和
列.每次将一个小球放到一个小正方形内,放满为止,记为一轮.每次放白球的频率为
,放红球的概率为q,
.
(1)若
,
,记
表示100轮放球试验中“每一列至少一个红球”的轮数,统计数据如表:
求y关于n的回归方程
,并预测
时,y的值;(精确到1)
(2)若
,
,
,
,记在每列都有白球的条件下,含红球的行数为随机变量
,求
的分布列和数学期望;
(3)求事件“不是每一列都至少一个红球”发生的概率,并证明:
.
附:经验回归方程系数:
,
,
,
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1019d4ad2e3fb4a7abb66e0e9e55b556.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/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b70d4a3fc3e01b5a6358cf4e57578e6.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e94f16d5ed858699bfea5039a7bf8ae6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb1f23dfeec1112554def57297a81b2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
n | 1 | 2 | 3 | 4 | 5 |
y | 76 | 56 | 42 | 30 | 26 |
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0426d60c7b86a75f478e1d2a83d0dcc4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe08722cf9300fe188dbbb71989c06c9.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e94f16d5ed858699bfea5039a7bf8ae6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc2d3df37e73a8abea815f37dbb3fff5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79a18d2bd429301b5478dcd26c572266.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b6306384fda0df72c6d027d7447c3cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f022950e0faa45b617d497b01b5292b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f022950e0faa45b617d497b01b5292b9.png)
(3)求事件“不是每一列都至少一个红球”发生的概率,并证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b57fae6db3e4e5fe40a2d9351b4602b1.png)
附:经验回归方程系数:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/936f7dff0dda7da24a1b7604421ea653.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a58291bd91befe1061530246da983727.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ec0280cc5144b820c19727f1626bc0b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cfb9671c80690a0f397303dbd5818e1b.png)
您最近一年使用:0次
2023-01-15更新
|
2776次组卷
|
8卷引用:广西来宾市忻城县高级中学2024届高三下学期6月热身考试(桂柳压轴卷一)数学试卷
广西来宾市忻城县高级中学2024届高三下学期6月热身考试(桂柳压轴卷一)数学试卷山东省青岛市2022-2023学年高三上学期期末数学试题重庆市缙云教育联盟2023届高三二模数学试题(已下线)模块八 专题10 以概率与统计为背景的压轴大题江苏省无锡市南菁高级中学2024届高三上学期期末模拟数学试题(已下线)第八章 成对数据的统计分析(压轴题专练)-2023-2024学年高二数学单元速记·巧练(人教A版2019选择性必修第三册)江西省南昌市第十九中学2023-2024学年高三下学期第一次模拟考试数学试卷(已下线)专题8.8 成对数据的统计分析全章综合测试卷(提高篇)-2023-2024学年高二数学举一反三系列(人教A版2019选择性必修第三册)
名校
解题方法
6 . 截至
年末,某城市普通汽车(除新能源汽车外)保有量为
万辆.若此后该市每年新增普通汽车
万辆,而报废旧车转购新能源汽车的约为上年末普通汽车保有量的
,其它情况视为不计.
(1)设从
年起该市每年末普通汽车的保有量构成数列
,试写出
与
的一个递推公式,并求
年末该市普通汽车的保有量(精确到整数);
(2)根据(1)中
与
的递推公式,证明数列
是等比数列,并求从哪一年起,该市普通汽车的保有量首次少于
万辆?(参考数据:
,
,
,
)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/701554763bdbbf2689a8dae07608da38.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b685c556cc423e4833c1dc671a134cc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd3304e23f3b0f9569c4140ca89b6498.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f733b1ceeead9ff892539d46a23f3626.png)
(1)设从
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/701554763bdbbf2689a8dae07608da38.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63d471926f7b27322d90c82b9ce21d3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96abfe2da27a63e6affb19a0c80236d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/090426eb29836bc30c006b3739c08057.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e946baf1316ac1f219398ecedadf6cf.png)
(2)根据(1)中
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96abfe2da27a63e6affb19a0c80236d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/090426eb29836bc30c006b3739c08057.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a4b31debc54509f388d3693f0820837.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a7afc6e67a875ed2eb889e950a77715.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b44237e17516c5c91d84f7e27d9cba8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed2b13b42725616c277f2a150b5a5b27.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7b816ba0da514997986389d25b4543d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc7220da1a91f3e018d4800ff2fbd9e.png)
您最近一年使用:0次
2023-01-03更新
|
397次组卷
|
4卷引用:广西南宁市邕宁高级中学2022-2023学年高二下学期5月教学质量调研数学试题
名校
解题方法
7 . 若点
在函数
的图象上,且满足
,则称
是
的
点.函数
的所有
点构成的集合称为
的
集.
(1)判断
是否是函数
的
点,并说明理由;
(2)若函数
的
集为
,求
的最大值;
(3)若定义域为
的连续函数
的
集
满足
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23b4f86e48e2b0d63c1865c60ed1e4d1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2ef0287740211d65da72c0e494e630c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c92278194f93b54876e6b319995f5a37.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c92278194f93b54876e6b319995f5a37.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c92278194f93b54876e6b319995f5a37.png)
(1)判断
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4966e5af166b69a0a38a98abf555b6b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c111ae39998037ad9c2eef5a892b3e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c92278194f93b54876e6b319995f5a37.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b820f749904501fafc23018b528ed82f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c92278194f93b54876e6b319995f5a37.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a43b2faa4f81f32d94612dce724e772b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074c228ffc7b1e306f8410afe7bc4b5c.png)
(3)若定义域为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a43b2faa4f81f32d94612dce724e772b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c92278194f93b54876e6b319995f5a37.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/262ea17a76ec2b15e9f5c96e42ca4b82.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d27fb6dea56ea845f338fce3d432af9.png)
您最近一年使用:0次
2022-07-07更新
|
1978次组卷
|
8卷引用:广西桂林市第十八中学2023-2024学年高一下学期4月月考数学试题(A卷)
广西桂林市第十八中学2023-2024学年高一下学期4月月考数学试题(A卷)北京市海淀区2021-2022学年高一下学期期末练习数学试题上海市复旦大学附属中学2023届高三上学期9月月考数学试题河南省周口市淮阳区淮阳中学2022-2023学年高一上学期期末数学试题安徽省安徽师范大学附属中学2022-2023学年高一下学期3月月考数学试题(已下线)第5章 三角函数(基础、典型、易错、压轴)分类专项训练(2)北京市第十四中学2023-2024学年高一下学期期中检测数学试卷(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)
8 . 已知动点
在椭圆
:
之外,作直线
:
.
(1)证明:直线
与椭圆
有2个不同的公共点:
(2)设(1)问中两个公共点分别为A和
,若点
在椭圆
上,且满足
,求点
的轨迹方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82aaa597a5aa6176863eda3fdf83e181.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/271e595c257e4c0ade90a9bbbf0e6b0d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6900a40dabd963c43735c21e16cc8ef8.png)
(1)证明:直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)设(1)问中两个公共点分别为A和
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1475fd695f21b7869d4045db761967e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
您最近一年使用:0次
2022-04-20更新
|
462次组卷
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2卷引用:广西四市2022届高三4月教学质量检测数学(理)试题
9 . 如图,在圆柱
中,
,
分别是上、下底面圆的直径,且
,
,
分别是圆柱轴截面上的母线.
![](https://img.xkw.com/dksih/QBM/2022/1/6/2888748215476224/2895505611612160/STEM/6f412529-5038-45a6-a665-1677bc73cb4b.png?resizew=136)
(1)若
,圆柱的母线长等于底面圆的直径,求圆柱的表面积.
(2)证明:平面
平面
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e65ac334119ccd6204402a7aba29a55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0fff774b4b0087a6f304ce930d359be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e42887d9bf31c1dd99f13c39e63c9ab9.png)
![](https://img.xkw.com/dksih/QBM/2022/1/6/2888748215476224/2895505611612160/STEM/6f412529-5038-45a6-a665-1677bc73cb4b.png?resizew=136)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f7d916aa534e596d9af1263e1b7b668.png)
(2)证明:平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b9c1acf1f846cdef031493eabc973a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2977ae4bfa32de8c6f0fb136205c4fe7.png)
您最近一年使用:0次
10 . 作斜率为
的直线l与抛物线
交于
两点(如图所示),点
在抛物线C上且在直线l上方.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/2/924ba246-c3d1-4ed4-8173-12a923643a37.png?resizew=122)
(Ⅰ)求C的方程并证明.直线
和
的倾斜角互补.
(Ⅱ)若直线
的倾斜角为
,求
的面积的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acbc6a613224461ade69362d46550474.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7df40ba57bb5819b4aaa38d514500052.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc6832d8e90fcee984af6345c21c92b2.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/2/924ba246-c3d1-4ed4-8173-12a923643a37.png?resizew=122)
(Ⅰ)求C的方程并证明.直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd33764ff4efddfe11a98a609753715c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2be49c37e30a3ced0364c3e74d8c687.png)
(Ⅱ)若直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd33764ff4efddfe11a98a609753715c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a02fbb12be39fc1a08104e92af0965ef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2205cffebf8c4d5f81d15ed7b85c8936.png)
您最近一年使用:0次
2021-09-15更新
|
716次组卷
|
5卷引用:广西桂林市2022届高三上学期校本模拟考试数学((理)试题
广西桂林市2022届高三上学期校本模拟考试数学((理)试题浙江省杭州市富阳中学2021-2022学年高三上学期第一次二校联考数学试题重庆市缙云教育联盟2021-2022学年高二上学期9月月度质量检测数学试题(已下线)一轮复习大题专练71—抛物线5(面积最值问题2)—2022届高三数学一轮复习(已下线)专题42 盘点圆锥曲线中的面积问题——备战2022年高考数学二轮复习常考点专题突破