1 . 已知直线
与椭圆
交于
、
两点,且
在直线
的上方(如图所示).
![](https://img.xkw.com/dksih/QBM/2021/6/21/2747823062622208/2782297250414592/STEM/ecaebca9-b970-48cb-b779-3fc6b831b172.png?resizew=308)
(1)求常数
的取值范围;
(2)若
的面积最大,求直线
的斜率的大小.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a10462edd0dbd28fc3908fe32726211a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f60eef6cf563ceb168e36025d023db5.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/5dba969413d0c05cfea8cae5b37a7c21.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://img.xkw.com/dksih/QBM/2021/6/21/2747823062622208/2782297250414592/STEM/ecaebca9-b970-48cb-b779-3fc6b831b172.png?resizew=308)
(1)求常数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2205cffebf8c4d5f81d15ed7b85c8936.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd33764ff4efddfe11a98a609753715c.png)
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2021-08-09更新
|
385次组卷
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4卷引用:上海市徐汇区2020-2021学年高二下学期期末数学试题
上海市徐汇区2020-2021学年高二下学期期末数学试题江西省南昌市豫章中学2022届高三入学调研(B)数学(文)试题安徽省合肥市长丰县正心高级中学2019-2020学年高二下学期6月月考文科数学试题(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
2 . 阿基米德(公元前287年-公元前212年,古希腊)不仅是著名的哲学家、物理学家,也是著名的数学家.他曾利用“逼近法”得到椭圆的面积等于圆周率
乘以椭圆的长半轴长与短半轴长的乘积在直角坐标系
中,椭圆
的面积为
,两焦点与短轴的一个顶点构成等边三角形,过点
且斜率不为0的直线
与椭圆
交于不同的两点A,B.
(1)求椭圆
的标准方程;
(2)求
面积的最大值;
(3)设椭圆E的左、右顶点分别为P,Q,直线PA与直线
交于点
,试问B,Q,F三点是否共线?若共线,请证明;若不共线,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86ebba6ed1add0fe647c0226614b9290.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7795aec93c2c7ac2fd93e6747ca6516c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7e5578ca83f5bd5c285994061b9c015.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd2f172ac16da76136cd2faa0fa26915.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80c9dcfd9f4c5298035870cb88a34169.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/866b81a8384cce4f24867baca2e6820c.png)
(3)设椭圆E的左、右顶点分别为P,Q,直线PA与直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f23d29646155e27b172ecdf263e2d702.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
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2021-08-08更新
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1916次组卷
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5卷引用:上海市虹口区2020-2021学年高二下学期期末数学试题
上海市虹口区2020-2021学年高二下学期期末数学试题(已下线)2.2 椭圆(提高练)-2021-2022学年高二数学同步训练精选新题汇编(人教A版选修2-1)(已下线)3.1.1 (整合练)椭圆及其标准方程-2021-2022学年高二数学考点同步解读与训练(人教A版2019选择性必修第一册)(已下线)专题16 圆锥曲线焦点弦 微点2 圆锥曲线焦点弦三角形面积湖北省武汉市华中师大第一附中2023-2024学年高二上学期期末模拟数学试题
3 . 已知抛物线
∶![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fc58c62444bf42a25289c45425a00f2.png)
的焦点坐标为
.
(1)若直线
被抛物线
截得的弦长为
,求抛物线
的方程;
(2)设
为点
关于原点
的对称点,
为抛物线上任意一点,求
的取值范围;
(3)过焦点
作直线交抛物线于
、
两点,满足
,过
作抛物线准线的垂线,垂足记为
,准线交
轴于
点,若
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fc58c62444bf42a25289c45425a00f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/75de1947893e5c7a4d98d4458398fd6e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
(1)若直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/707ea658f3a9359f5740d5aab48f7948.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8860d9787671b53b1ab68b3d526f5ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a02084e69bca97d818f7e84bf1955508.png)
(3)过焦点
![](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/7b2171a7e806dc496b06bfe0a3a043e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7c314398e26ffc7164b82946eeb4273.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/55eb5dce55873a06d8c8f83d8448d1a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
您最近一年使用:0次
名校
4 . 如图,在棱长为1的正方体
中,点
分别是棱
的中点,
是侧面
内一点,若
平面
,则下列说法正确的是__________ .
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/15/164a9983-3216-4792-a001-7018751bce3f.png?resizew=163)
①线段
的最大值是![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31f8f7e40ba386c0a9675896b52752d6.png)
②![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12e3e58e5d7cdd7c90360e14a9d0c214.png)
③
与
一定异面
④三棱锥
的体积为定值
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad056c25c0fdcbcc765eb5cbc6093f2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/334bd1a151c0a42ca813cb6b839ce45c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58cc6184b191e6da43911e701121517e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f86e2d69b11402d9d6cbb06e057778a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b03428a8f91a5674cb8f54766c165f7e.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/15/164a9983-3216-4792-a001-7018751bce3f.png?resizew=163)
①线段
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d0ff310aabd2282b539537ebed3f788.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31f8f7e40ba386c0a9675896b52752d6.png)
②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12e3e58e5d7cdd7c90360e14a9d0c214.png)
③
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d0ff310aabd2282b539537ebed3f788.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
④三棱锥
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14d75d48f7a1612807bdd878c774394b.png)
您最近一年使用:0次
2021-07-19更新
|
1814次组卷
|
6卷引用:上海市嘉定区第一中学2021-2022学年高二上学期12月月考数学试题
5 . 已知椭圆
分别为其左、右焦点.
![](https://img.xkw.com/dksih/QBM/2021/7/7/2759280002670592/2766979694034944/STEM/079e637de03949218c1393b8e19ef59a.png?resizew=185)
(1)若T为椭圆上一点,
面积最大值为
,且此时
为等边三角形,求椭圆的方程;
(2)若椭圆焦距长为短轴长的
倍,点P的坐标为
,Q为椭圆上一点,当
最大时,求点Q的坐标;
(3)若A为椭圆
上除顶点外的任意一点,直线AO交椭圆于B,直线
交椭圆于C,直线
交椭圆于D,若
,求
.(用a、b代数式表示)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7060bc06a286bd3a935ccdeb12cb1bf7.png)
![](https://img.xkw.com/dksih/QBM/2021/7/7/2759280002670592/2766979694034944/STEM/079e637de03949218c1393b8e19ef59a.png?resizew=185)
(1)若T为椭圆上一点,
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c820e30560907adc6ad54b2918011e8e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41322821ce31416fdac8dd6e0aa41c71.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c820e30560907adc6ad54b2918011e8e.png)
(2)若椭圆焦距长为短轴长的
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf298f00799cbf34b4db26f5f63af92f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b4a9aa5d69583f0c2099169fd39936a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d66bcfa301fb06aaabf43836771fc580.png)
(3)若A为椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b454cdb97c408300b50d945f002c2cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cabea664e61863b3b3279dbce607924e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acbad65b3d744b70da2480eee1cdb587.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14f7c5f881ff81df4ab5279689004ef7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/febf7413b35cf2889fdb57a6b519087c.png)
您最近一年使用:0次
6 . 已知椭圆
(a>b>0)经过A(0,2)、B(-3,-1)两点.
(1)求直线AB和椭圆的方程;
(2)求椭圆上的动点T到N(1,0)的最短距离;
(3)直线AB与x轴交于点M(m,0),过点M作不垂直于坐标轴且与AB不重合的直线
与椭圆交于C,D两点,直线AC,BD分别交直线x=m于P,Q两点.求证:
为定值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d7aea48c44781a844b5c19191f70f61.png)
(1)求直线AB和椭圆的方程;
(2)求椭圆上的动点T到N(1,0)的最短距离;
(3)直线AB与x轴交于点M(m,0),过点M作不垂直于坐标轴且与AB不重合的直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9be13ea579d4b0048acba77db6b6ac4f.png)
您最近一年使用:0次
2021-07-10更新
|
398次组卷
|
5卷引用:上海市奉贤区四校2020-2021学年高二下学期期中联考数学试题
上海市奉贤区四校2020-2021学年高二下学期期中联考数学试题上海市奉贤区2020-2021学年高二下学期期中数学试题(已下线)3.1 椭圆(难点)(课堂培优)-2021-2022学年高二数学课后培优练(苏教版2019选择性必修第一册)(已下线)期中重难点突破专题03-【尖子生专用】2021-2022学年高二数学考点培优训练(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(选拔卷)-【单元测试】2021-2022学年高二数学尖子生选拔卷(人教A版2019选择性必修第一册)
解题方法
7 . 设抛物线y2=2px的焦点F的坐标为(1,0),过焦点F作一条倾斜角为
的直线与抛物线相交A、B于两点,线段AB的中点为M.倾斜角
是变化的.
(1)设△MOF的面积为S△MOF;△AOB的面积为S△AOB,设S△MOF=
S△AOB,求
的取值范围;
(2)求中点M的轨迹方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
(1)设△MOF的面积为S△MOF;△AOB的面积为S△AOB,设S△MOF=
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
(2)求中点M的轨迹方程.
您最近一年使用:0次
2021-07-10更新
|
37次组卷
|
2卷引用:上海市奉贤区四校2020-2021学年高二下学期期中联考数学试题
解题方法
8 . 已知椭圆
:
与抛物线
:
在第一象限交于点
,
,
分别为
的左、右顶点.
(1)若
,且
,求
的焦点坐标;
(2)设点
是
和
的一个共同焦点,过点
的一条直线
与
相交于
,
两点,与
相交于
,
两点,
,若直线
的斜率为1,求
的值;
(3)设直线
,直线
分别与直线
交于
,
两点,
与
的面积分别为
,
,若
的最小值为
,求点
的坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68ba9d1bea4de1326af31f6f57b7286a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21be4ca5919e23d17c902a3b09b0f0bd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46aabcc5f4407a684d789479db55f63c.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/b1241216f3c1cb5e73043dd1037f556d.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f664ebabe8e165dac1bbb3b8c4de4d11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/998fa7cceb8d4f1bee631f5010b308ce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
(2)设点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/055a2ef09e2ee0948cf67c58de58732d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.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/b1241216f3c1cb5e73043dd1037f556d.png)
![](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/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d8da47d88e692936dbb8cbe950617f8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
(3)设直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0bf25e032b5599ac49383de06e776365.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf702adb116c1e46569eb7050d029f49.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40a30dcce80759b26d7476555f271861.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/a0023c9e8e0fec24d3aa77d09b2e4e62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16e8c7968d57d2a20065a7cb15c9b4eb.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/235f0a6fb218d28383e6f27f2df1f50f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/738c2eb3b99133f96c55b643911d2f28.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
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解题方法
9 . 已知椭圆
的一焦点与短轴的两个端点组成的三角形是等边三角形,直线
与椭圆
的两交点间的距离为8.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/29/1a03bb11-a0ef-47c3-84f1-d720e0a23684.png?resizew=176)
(1)求椭圆
的方程;
(2)如图,设
是椭圆
上的一动点,由原点
向圆
引两条切线,分别交椭圆
于点
,
,若直线
,
的斜率均存在,并分别记为
,
,求证:
为定值;
(3)在(2)的条件下,试问
是否为定值?若是,求出该值;若不是,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/851a5d6ec23256f9b4a9e98aa92945fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c50866229ec5a3640fb250f9bd2192b3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/29/1a03bb11-a0ef-47c3-84f1-d720e0a23684.png?resizew=176)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)如图,设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b79ca81f286d8aeed52f91ee13ce0d8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4f4a3876f06ced9b3a872428ccc8e59.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/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abd13974aebe38eb2a1d744a01ea5aa5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f0009063fe00277645aff1be6e32471.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6defc43285a40f7ccb74c1cc04265eba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/423b7ae39db552e60ee8b1d27312306f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b881044b5c73db6fcce110525741b02.png)
(3)在(2)的条件下,试问
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5f6c5fd93aed88bec58002a20ea2e90.png)
您最近一年使用:0次
10 . 焦点为
的抛物线
与圆
交于
、
两点,其中
点横坐标为
,方程
的曲线记为
,
是圆
与
轴的交点,
是坐标原点.有下面的四个命题,请选出所有正确的命题:_________ .①对于给定的角
,存在
,使得圆弧
所对的圆心角
;②对于给定的角
,存在
,使得圆弧
所对的圆心角
;③对于任意
,该曲线有且仅有一个内接正△
;④当
时,存在面积大于2021的内接正△
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac8a3bffe545af2299cf999d44767206.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0a6351ea752d88581e4f4d240db2396.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/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14c97938d07092ac2803ff89a47e5b23.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b9fbf82da669152dab004100f71ac35.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b454cdb97c408300b50d945f002c2cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d728057215fde8376305073b1d26584.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9d80f2addb9f19c08e39b201b226d60.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61be90c7fc696e89cdeb1a420972236c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07b21d14e51bc3335f0068376161c036.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9d80f2addb9f19c08e39b201b226d60.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2242426dcc966e3098bc513fb323ca2e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd6c71a0da6a878a5b12bf8a8e784645.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d702e53f229d3ec79113bba4d34359e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd6c71a0da6a878a5b12bf8a8e784645.png)
![](https://img.xkw.com/dksih/QBM/2021/6/3/2735228775260160/2737032423587840/STEM/7b8343d3-a380-458a-af3e-121fd44656fa.png?resizew=161)
您最近一年使用:0次
2021-06-06更新
|
705次组卷
|
7卷引用:上海市交通大学附属中学2021届高三最后模拟数学试题
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