解题方法
1 . 已知F为抛物线
(t为参数)的焦点,过F作两条互相垂直的直线
,直线
与C交于A,B两点,直线
与C交于D,E两点,则
的最小值为_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/512d63e6d79877f4407a6a8f68dce3e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44434b647ec546fe787e2164e0be6cd2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/192aeb9fe486f44a27d837274daf8657.png)
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2024-02-13更新
|
326次组卷
|
3卷引用:陕西省2024届高三教学质量检测(一)文科数学试题
陕西省2024届高三教学质量检测(一)文科数学试题陕西省2024届高三教学质量检测(一)理科数学试题(已下线)第2章 圆锥曲线 单元综合检测(难点)-2023-2024学年高二数学同步精品课堂(沪教版2020选择性必修第一册)
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2 . 漳州港双鱼岛是座人工岛,呈双鱼环抱圆形,半径
米,从空中俯视,像是太极图
由黑白两个鱼形纹组成的图案,俗称阴阳鱼,它展现了一种相互转化,相对统一的和谐美
定义:能够将圆
的周长和面积同时等分成两个部分的函数称为圆
的一个“太极函数”,若极点与直角坐标系的原点重合,极轴与
轴的正半轴重合,建立极坐标系,则下列有关命题中:
![](https://img.xkw.com/dksih/QBM/2022/5/16/2980744520695808/2995028877787136/STEM/d0e91f87-111c-48d6-b81a-684e599cca11.png?resizew=388)
①对于圆
的所有非常数函数的太极函数中,都不能为偶函数;
②函数
是圆
的一个太极函数;
③直线
为参数
所对应的函数一定是圆
为参数,
的太极函数;
④若函数
是圆
的太极函数,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf8034094936d8e6c4935f5ec8ad6fec.png)
其中正确命题有_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/47543f9c51eb71b208b483444a4cff58.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce08128582a7e855852c03e0ac5d0487.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7259b7fb29d3151a79e72f8bb92ccc1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://img.xkw.com/dksih/QBM/2022/5/16/2980744520695808/2995028877787136/STEM/d0e91f87-111c-48d6-b81a-684e599cca11.png?resizew=388)
①对于圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cead6c107a5332dbc769b9cda3be2e3e.png)
②函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ebc992a2363c8b935e88c42d8be8dd4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ea832862a766152c4360be2d05c02d6.png)
③直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/62ad02cb0ce7ee462df4626605ba3827.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac8c94316312f093ebfc80b872a83c25.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e9b77818c29a0626d00b0a8af1eb970.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5759dd5bbc159bea5c494492918ccf9.png)
④若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d073c2a56a5eba5556237120de6fc65.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cead6c107a5332dbc769b9cda3be2e3e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf8034094936d8e6c4935f5ec8ad6fec.png)
其中正确命题有
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3 . 已知曲线
,直线
为参数)过曲线
上任意一点
作与
夹角为
的直线,交
于点
,求
的最大值为___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33a4868c29d9de5a7efde4e027e89123.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f618b8c02b31f3a21cbb1f92d57dd3a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ac09dc1ca2cdd7aef28c218763d3e4d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/424e15816186bfb42f649e624193dfe2.png)
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解题方法
4 . 已知
点是椭圆
上的动点,
点是圆
上的动点,则线段
长度的最大值为_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c82e7d9f4f7ace849e09e9adcb786b7f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51ecf7a6913d90c2df051d608011cc57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a5f1641947153c80b987320885a2b57.png)
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2021-03-02更新
|
1066次组卷
|
2卷引用:贵州省凯里市第三中学2020-2021学年高二下学期开学考试数学试题
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解题方法
5 . 在平面直角坐标系中,定义
为两点
,
之间的“折线距离”,则椭圆
上一点
和直线
上一点
的“折线距离”的最小值为________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9eebfd28f944c13398c4afc5f51d3862.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84bd36d19352628cb54c214436ee3322.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e27bd43bc4af1e3b28d0de0cc561b879.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/271e595c257e4c0ade90a9bbbf0e6b0d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9a7fc4ad2a9f794faece96b9c538ad4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
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2020-07-12更新
|
452次组卷
|
5卷引用:2016学年浙江省温州中学高二下学期期末考试数学试卷
2016学年浙江省温州中学高二下学期期末考试数学试卷【全国百强校】江西省南昌市第二中学2018-2019学年高二上学期第一次月考数学(理)试题2浙江省杭州二中2020届高三下学期高考仿真考数学试题(已下线)专题14 参数方程与极坐标方程-备战2022年高考数学(文)母题题源解密(全国乙卷)(已下线)第五篇 向量与几何 专题19 抽象距离 微点4 抽象距离综合训练
解题方法
6 . 设
是双曲线
的动点,直线
(
为参数)与圆
相交于
两点,则
的最小值是_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0acac8b38a645b428474006d802af038.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a7b9fa989517f9245303c1aa6d1ce7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76426b7e71f15f6e801b00d1f72b1030.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e52586ca2a3b783bc8092415e2d4bf6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a33e5d0dbdd0f15854f0d7dd8b53058.png)
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解题方法
7 . 已知函数
(
),
,若
与
的图像交于A、B两个不同的点,点P在圆C:
上运动,则
的取值范围是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb8a3a5c902642602d17fbbf1a995b8a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84e2512fa0dd8a511729929e2a69ad6e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e318cefab1d71238b6a770e9d5fe154e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a56518c40c4e7c0627f56b145795161b.png)
您最近一年使用:0次
2020-04-17更新
|
366次组卷
|
2卷引用:2019届江苏省姜堰中学、前黄高级中学、淮阴中学、溧阳中学高三下学期4月阶段测试数学试题
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8 . 已知点
是椭圆
上一点,过点
的一条直线与圆
相交于
两点,若存在点
,使得
,则椭圆的离心率取值范围为_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48da128547c4cf9745e8e4b99988a3db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/833bf16f0161259e9d973dbdd5c6b18c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff92ef23dd31bb91ece0b416b231fd40.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/238b275fe2ef6f88a07e6f85542eba2c.png)
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9 . 已知圆
,过点
的直线
与圆
在
轴上方交于
,
两点,且
,则直线
的斜率为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/168369ce9de586230d93f22a7276845a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54695f96e6f365b0cc79b3ceaf5d26cc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.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/6e453b8632aa8884baf3c804fc2d16ec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
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10 . 正方形
中,点
在以
为圆心且与直线
相切的圆上运动,若
(其中
,
),则
的取值范围是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.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/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c4ae2789a5e286e2ce63783a7d60165.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5cefeddff52b02a43831beeb4bb6faa4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/febf7413b35cf2889fdb57a6b519087c.png)
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2020-03-16更新
|
930次组卷
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4卷引用:2019届湖北省黄冈中学高三三诊理科数学试题
2019届湖北省黄冈中学高三三诊理科数学试题2019届湖北省黄冈中学高三三诊文科数学试题山西省太原市第五十六中学2020-2021学年高一下学期第一次月考数学试题(已下线)三省三校2022届高三下学期第一次模拟数学(理)试题变式题11-15