名校
解题方法
1 . 设函数
的定义域为
,给定区间
,若存在
,使得
,则称函数
为区间
上的“均值函数”,
为函数
的“均值点”.
(1)试判断函数
是否为区间
上的“均值函数”,如果是,请求出其“均值点”;如果不是,请说明理由;
(2)已知函数
是区间
上的“均值函数”,求实数
的取值范围;
(3)若函数
(常数
)是区间
上的“均值函数”,且
为其“均值点”.将区间
任意划分成
(
)份,设分点的横坐标从小到大依次为
,记
,
,
.再将区间
等分成
(
)份,设等分点的横坐标从小到大依次为
,记
.求使得
的最小整数
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40ee87e42cc88a4fdf1d21bf61781224.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c1486d2ae6c7e7904ab47b909039ba7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2534d6a2bfdd977c22d97d1c2740ce3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4776c85b79df196f606d3ebf3697fbc3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
(1)试判断函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/344ccbf79da6ad7e3709d6fa72efb756.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9210e75c35fb455d0446eb7ddba7d79c.png)
(2)已知函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/62c13e6cfb60675f2d37c9d6a987151e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da34ce730f711c09909d53806fe2330a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(3)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64baac266ad67e646f9fa2122a239ff1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22dd8b3dc4c609bab82d356a5cc2208d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30a5498bb0236a2bb04ae38329b408.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf31876698721a199c7c53c6b320aa86.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0408b9502dcc197dcf528337ef0b617b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0623207595425920f16e76a7f8f268b6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c5dd1562138ab60802c33a17a8d7867.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b7968c8d9c965285a10480fdfdfb25de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81923085effd34e2820f5e73dbe7e3f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c3260579e249c29d3f1068ae1068956.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6103a346b3e9e8f0a1f4d3b336031962.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5432187d1c042787433b7633292d00fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c43caf322b028883de4493c0760947a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd4613271f782a90ab580131d09d03d1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/176b8ca898d913d1b16d0efa3f43a725.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ec28c8e50367c45d5d11eb91889c9d6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8798ed03551de504835e127b96362729.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
您最近一年使用:0次
2023-12-14更新
|
476次组卷
|
4卷引用:上海市金山区2024届高三上学期质量监控数学试题
上海市金山区2024届高三上学期质量监控数学试题(已下线)专题09 导数(三大类型题)15区新题速递(已下线)专题03 函数(三大类型题)15区新题速递广东省广州市第二中学2023-2024学年高二下学期期中考试数学试题
解题方法
2 . 已知三条直线
(
)分别与抛物线
交于点
、
,
为
轴上一定点,且
,记点
到直线
的距离为
,△
的面积为
.
(1)若直线
的倾斜角为
,且过抛物线
的焦点
,求直线
的方程;
(2)若
,且
,证明:直线
过定点;
(3)当
时,是否存在点
,使得
,
,
成等比数列,
,
,
也成等比数列?若存在,请求出点
的坐标;若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b88036e3c1badc0d0b3f9145cd52d1c8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79059a3366ed1b339ba1317ce8a1e7f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/146294fdb064581da7987fdca20ee912.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e819b87f90651d89fcd258c276294e43.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fdc5c895153932c3e827a464664cef90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/439e95540157803d4ac3cf61a49f50a8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45f1254f1ff64e7fc1918b84e75dceaa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/468edcfef1bcd7e74491a57a70c1bcb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f50a4b1e4f8b1d044300df7ef8205c31.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/afb4be53c952d1edc5ecba3125c1111a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e9bb415ebf91617fe843b83d0a140ea.png)
(1)若直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9fce9427c9b17e4d3cda0c3ff3e2e14.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79a97bb4dcfab4ec7539bc783d563c49.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bcd8ee2d8367c167d6ae0abc741b6b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9fce9427c9b17e4d3cda0c3ff3e2e14.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a251fb581ee87c54da42d43dc0f8fb68.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7803037f78d54221e0bd45a2bff37c2f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
(3)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5095a28bb1b91bf6bed9e2cfbd76bb18.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e097c8d4c948de063796bd19f85b3a9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e0bd63f55069a3bc870915010b39225.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6899bf9cadae2ccdb14cbc87d4f280ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5edf900c810371fb21297c15f86d8743.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b31ac1def558351e2e3ed1235c570530.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/342d0252c1b2f7d2a84b5c985d19d547.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
您最近一年使用:0次
解题方法
3 . 网络购物行业日益发达,各销售平台通常会配备送货上门服务.小金正在配送客户购买的电冰箱,并获得了客户所在小区门户以及建筑转角处的平面设计示意图.
不能超过
,且底面至少有两个顶点与地面接触.外包装看作长方体,如图1所示,记长方体的纵截面为矩形
,
,
,而客户家门高度为
米,其他过道高度足够.若以倾斜角
的方式进客户家门,小金能否将冰箱运送入客户家中?计算并说明理由.
(2)由于客户选择以旧换新服务,小金需要将客户长方体形状的旧冰箱进行回收.为了省力,小金选择将冰箱水平推运(冰箱背面水平放置于带滚轮的平板车上,平板车长宽均小于冰箱背面).推运过程中遇到一处直角过道,如图2所示,过道宽为
米.记此冰箱水平截面为矩形
,
.设
,当冰箱被卡住时(即点
、
分别在射线
、
上,点
在线段
上),尝试用
表示冰箱高度
的长,并求出
的最小值,最后请帮助小金得出结论:按此种方式推运的旧冰箱,其高度的最大值是多少?(结果精确到
)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15615de1a6df206dbd081251f676578e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2866814d0e6f6cfb98ec8dfa19912cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ceed2bec0129b129f97cb0268253795d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fc99aa1d4ae2578fd47bf75a67c2b3b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ea81da7f8471a097675421508bb5f76.png)
(2)由于客户选择以旧换新服务,小金需要将客户长方体形状的旧冰箱进行回收.为了省力,小金选择将冰箱水平推运(冰箱背面水平放置于带滚轮的平板车上,平板车长宽均小于冰箱背面).推运过程中遇到一处直角过道,如图2所示,过道宽为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f3c8af0b2909df6ec5786c316662919c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/611f100dcfa7803db6eb233e2e7f2dab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12711c8cdbfc1ff33a615af2e0944307.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/047f8c45dc1a1ff5450a9f374faa567f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73465a1f9aa03481295bf6bd3c6903ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/902f97913e1af1e6c793f7edfe6b2114.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a5f1641947153c80b987320885a2b57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bfaa19eeaf415ed419e77fe92794f443.png)
您最近一年使用:0次
4 . 设集合
,
、
均为
的非空子集(允许
).
中的最大元素与
中的最小元素分别记为
,则满足
的有序集合对
的个数为( ).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/460f6038a0fde52d3c05203d9bca10df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f022950e0faa45b617d497b01b5292b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a829fdd8ec0f3b7ede883cf2c3e53b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd8132e0a7fd3062ce42380d55543742.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f022950e0faa45b617d497b01b5292b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a829fdd8ec0f3b7ede883cf2c3e53b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33ae63cd7f944c56f1d38f49c09ba513.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a7c835eea00186e05e1536adf3d7d91.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db95c4f9791ca04094be000bd6fc72e1.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
5 . 设
分别是圆柱
的上、下底面
的中心,
是以
为顶点,
为底面的圆锥体
,若圆柱
的体积为1,那么圆锥
的公共部分的体积为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d096cd7bd8a5a2219fd7dd166bbb8460.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21ce130782909a2048581c6f0c25e934.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1fc903da7487dcd2f069b50a5cf2bd5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d6c835472ca59f2f5471811b7ecb9f8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01028fb18979fabc88ffbccb7ef063d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2b52faa6703492e49a2058ce6fc29f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/357e0872d9e98d662a780e7686de86ee.png)
您最近一年使用:0次
2023-11-10更新
|
153次组卷
|
2卷引用:上海市金山区张堰中学2023-2024学年高二上学期阶段教学质量调研数学试题
名校
6 . 如果两种证券在一段时间内收益数据的相关系数为正数,那么表明( )
A.两种证券的收益之间存在完全同向的联动关系,即同时涨或同时跌 |
B.两种证券的收益之间存在完全反向的联动关系,即涨或跌是相反的 |
C.两种证券的收益有同向变动的倾向 |
D.两种证券的收益有反向变动的倾向 |
您最近一年使用:0次
2023-06-26更新
|
279次组卷
|
7卷引用:上海市华东师范大学第三附属中学2022-2023学年高二下学期期末数学试题
上海市华东师范大学第三附属中学2022-2023学年高二下学期期末数学试题(已下线)8.1 成对数据的相关分析(已下线)8.1.1变量的相关关系+8.1.2样本相关系数 第一课 解透课本内容(已下线)8.1 成对数据的统计相关性(4大题型)精讲-2023-2024学年高二数学题型分类归纳讲与练(人教A版2019选择性必修第三册)(已下线)专题06 概率初步(续) 成对数据的统计分析(已下线)专题08成对数据的统计分析--高二期末考点大串讲(沪教版2020选修)(已下线)上海市高二下学期期末真题必刷02(基础题)--高二期末考点大串讲(沪教版2020选修)
名校
解题方法
7 . 已知椭圆
:
的左焦点为
,左、右顶点分别为
,
,上顶点为
.
(1)若
为直角三角形,求
的离心率;
(2)若
,
,点
,
是椭圆
上不同两点,试判断“
”是“
,
关于
轴对称”的什么条件?并说明理由;
(3)若
,
,点
为直线
上的动点,直线
,
分别交椭圆
于
,
两点,试问
的周长是否为定值?请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bcd8ee2d8367c167d6ae0abc741b6b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7dd54b9df3402ad91e2d34c40efe0c7a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.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/dad2a36927223bd70f426ba06aea4b45.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bedc0265576eb4ccbd2a592d7af395dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bcd8ee2d8367c167d6ae0abc741b6b8.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a3c442579603164f3fc19458677d307.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a42da28be159399514cc6179a96e34b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bcd8ee2d8367c167d6ae0abc741b6b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df18111e69d56c707c11af99fe556e1d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a42da28be159399514cc6179a96e34b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5742b2684d00be50a66e01c9acb6b51f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1e9b8a991d00fdd2810dda7adc54fd8.png)
您最近一年使用:0次
2023-05-29更新
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476次组卷
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2卷引用:上海市金山中学2022-2023学年高二下学期期末数学试题
8 . 已知曲线
,
在点
处的切线为
,若曲线
上存在异于
的点
,使曲线
在点
处的切线
与
重合,则称
为曲线
关于
的“公切点”;若曲线
上存在
,使曲线
在
处的切线
与
垂直,则称
为曲线
关于
的“正交点”.
(1)求曲线
关于
的“正交点”;
(2)若
,
,已知曲线
上存在关于
的“正交点”,求
的取值集合;
(3)已知
,若对任意
,曲线
上都存在关于
的“正交点”,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e02cab1add26335b3cb43d5b54c7c853.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/afd3ffc5e95e5f22723402501c9916b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c34517f479fb08f6096d2fb0362f3ad0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ab7295ee5ddbc64eea2d5b2f8661e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c34517f479fb08f6096d2fb0362f3ad0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94949c1f99caaf46fa29a1ab9080d7be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c34517f479fb08f6096d2fb0362f3ad0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2384cdb8ca10c63ed1106b5efaa4d824.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f54dd475ff1321041c80738b201c3b6.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e5ed9a1bbebe7e13a6f651d0c57abe8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b604c6522119e77c1cb16b91532a2c1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/afd3ffc5e95e5f22723402501c9916b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
(3)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6bdc035b2c9a2e4ae7b910cae8114a0c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ccbea3e3a4121ed56bd5a355b4ff5b78.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/afd3ffc5e95e5f22723402501c9916b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
名校
解题方法
9 . 把右半个椭圆
和圆弧
合成的封闭曲线
称为“曲圆”,“曲圆”与
轴的左、右交点依次记为
、
,与
轴的上、下交点依次记为
、
,过椭圆的右焦点
的直线
与“曲圆”交于
、
两点.
与
重合时,求
的周长;
(2)当
、
两点都在半椭圆
时,是否存在以
为直径的圆恰好经过点
?若存在,求出直线
的方程,若不存在,请说明理由;
(3)当点
在第一象限时,求
的面积的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/62d5972fc8da1e12b427808756fc9092.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9dfe2da800cc97696fa876b1566c10ec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bcd8ee2d8367c167d6ae0abc741b6b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](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/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97c01fdc7bc471af0b264a04aef0823e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43a71fc9c0068109dad1382354570665.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](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/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43a71fc9c0068109dad1382354570665.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c8ef68c72248af27e3b83b4ee5fdeb51.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a5f1641947153c80b987320885a2b57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a18722354086c42e62334983fc50eb6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
(3)当点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c8ef68c72248af27e3b83b4ee5fdeb51.png)
您最近一年使用:0次
2023-05-20更新
|
240次组卷
|
3卷引用:上海市三校(金山中学、闵行中学、嘉定一中)2022-2023学年高二下学期5月联考数学试题
上海市三校(金山中学、闵行中学、嘉定一中)2022-2023学年高二下学期5月联考数学试题(已下线)高二上学期期中复习【第三章 圆锥曲线的方程】十二大题型归纳(拔尖篇)-2023-2024学年高二数学举一反三系列(人教A版2019选择性必修第一册)上海市南洋中学2023-2024学年高二下学期期末数学试题
名校
解题方法
10 . 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
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1061次组卷
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7卷引用: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
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(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)8.2 向量的数量积-同步精品课堂(沪教版2020必修第二册)(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)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