1 . 已知椭圆
:
的离心率为
,过右焦点F且倾斜角为
的直线与椭圆
形成的弦长为
,且椭圆
上存在4个点M,N,P,Q构成矩形,则矩形MNPQ面积的最大值为_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7dd54b9df3402ad91e2d34c40efe0c7a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/860884c0017c8bceb5b0edff796c144f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15615de1a6df206dbd081251f676578e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18a4c25fa7b7754fc55548e2497a9d6e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
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2022-03-27更新
|
637次组卷
|
5卷引用:江苏省镇江市丹阳高级中学2021-2022学年高二(1-16、20班)上学期12月月考数学试题
江苏省镇江市丹阳高级中学2021-2022学年高二(1-16、20班)上学期12月月考数学试题(已下线)第15讲 椭圆-【暑假自学课】2022年新高二数学暑假精品课(人教版2019必修第二册+选择性必修第一册)(已下线)第13讲 椭圆(4)(已下线)3.1.2 椭圆的几何性质(难点)-2022-2023学年高二数学《基础·重点·难点 》全面题型高分突破(苏教版2019选择性必修第一册)(已下线)专题3.6 直线与椭圆的位置关系-重难点题型检测-2022-2023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)
21-22高二·江苏·单元测试
2 . 定圆M:
,动圆N过点
且与圆M相切,记圆心N的轨迹为E,设点A,B,C在E上运动,A与B关于原点对称,且
,当
的面积最小时,则直线AB的斜率是_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/553360f0476d7533adfae3d0e862946b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90ce47fde921058026708a4321a0e213.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4769c9daa0a0bfbab08b5fbddb415404.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
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3 . 已知椭圆
,直线
过椭圆C的左焦点F且交椭圆于A,
两点,线段AB的垂直平分线交x轴于M点,则
的值为___________ ;
取值范围为___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/087495ff07f70d0685ef225d31947278.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df20433bf5b5b17b8ec492a46f579189.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38190077c30a3c97a40a8689eb1dc385.png)
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名校
解题方法
4 . 已知椭圆
的左、右焦点分别为
,
,点
在椭圆
上运动,直线
,
与椭圆
的另一个交点分别为
,
,且当
时,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
__ ,若
,
,则
的最小值为 __ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/069ffc1e3936d254303d588e1a70a3aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cabea664e61863b3b3279dbce607924e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e86dbcf83cd5d3421b3eed7be7dab32d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.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/08fab3d0b2d405613743fa68d5ccac76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/74743a57704b2c90fa4e1411bf7e4caa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dae8e9469819811ff7ce680169f981e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0de64895dc87c4ff6cbbd41c8f3ecef0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fd1f0ace9ca0b79929e73af6c201c2e.png)
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21-22高三上·上海浦东新·阶段练习
名校
解题方法
5 . 设点
在椭圆
上,点
在直线
上,则
的最小值为_____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2009bbb16442829022f71f67954f6706.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99e4a41cbe3d1f25154602dee11d36ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e5706dc8e7751b5a8163359a648f14b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07225849d13e453ce2efbac7d5cfc0b1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb84a0aa698a77f0ae6ae54a44d4e154.png)
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名校
6 . 设
是椭圆
的两个焦点,P为椭圆上任意一点,当
取最大值时的余弦值为
.则(1)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32b9afe6e2307c6a8b0097a6c45b227c.png)
________ ;(2)若椭圆上存在一点A,使
(O为坐标原点),且
,则
的值为_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d2a97987f71835f519b462f5b8f5957.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/948261c41cc1509f023761d880c75582.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c94fe48bf7af022ecbbe13833fdcc2c8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08f9b5af0d1e0cf7dd6159358270f987.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32b9afe6e2307c6a8b0097a6c45b227c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce5765f3f1b9e9f682303121e3c8163a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7fe56d7b88a815eed5587aa7bbdbe0b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
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7 . 设点
在椭圆
上,点
在直线
上,则
的最小值是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d6f5adf13b4214666292dd64b947741.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/271e595c257e4c0ade90a9bbbf0e6b0d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af405a054bfe7fb7ce40e48d816467e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a36e92d66b214736233a04682a0ff2d7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11bf9b936de94bfbdf2f652d855be5b1.png)
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解题方法
8 . 已知椭圆C:
的左,右焦点分别是
是椭圆C上第一象限内的一点,且
的周长为
.过点
作
的切线
,分别与
轴和
轴交于
两点,
为原点,当点
在
上移动时,
面积的最小值为___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7a88c7af934e8ed88dee1c7037520ea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76ed463bf16c78a4bbb9d3acff922afa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33d776753746914c2410a3946c357f35.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bb8fb6f3d7540831a9e97d3b184a491.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/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.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/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/866b81a8384cce4f24867baca2e6820c.png)
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2021-06-27更新
|
1767次组卷
|
5卷引用:河南省洛阳市2021届高三三模数学(文)试题
河南省洛阳市2021届高三三模数学(文)试题河南省洛阳市2021届高三5月第三次统一考试(三练) 数学(文)试题(已下线)3.1 椭圆-2021-2022学年高二数学链接教材精准变式练(苏教版2019选择性必修第一册)(已下线)专题05 《圆锥曲线与方程》中的压轴题(1)-2021-2022学年高二数学同步培优训练系列(苏教版2019选择性必修第一册) (已下线)专题25 圆锥曲线压轴小题必刷100题-【千题百练】2022年新高考数学高频考点+题型专项千题百练(新高考适用)
20-21高二下·浙江·期末
解题方法
9 . 已知椭圆
,过平面内一点
作两条互相垂直的直线
、
与
分别相交于
、
和
、
,若
,则
的最小值为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e488d56ded20eab7f904d300835d72a0.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/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b454cdb97c408300b50d945f002c2cb.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/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/342175b122fd37d5127fa5913c93db87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f645d4b09fba53f971172cd2602c691.png)
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10 . 设F1,F2分别为椭圆
的左、右焦点,O为坐标原点,点P是椭圆上的动点,过点F2作∠F1PF2的角平分线PT的垂线,交PT于M,交直线PF1于Q,则点M的横坐标的最小值为__ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c82e7d9f4f7ace849e09e9adcb786b7f.png)
您最近一年使用:0次