名校
解题方法
1 . 已知椭圆
的左焦点为F,O为坐标原点.
(1)求过点F、O,并且与抛物线
的准线相切的圆的方程;
(2)设过点F且不与坐标轴垂直的直线交椭圆于A、B两点,线段AB的垂直平分线与
轴交于点G,求点G的横坐标的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/271e595c257e4c0ade90a9bbbf0e6b0d.png)
(1)求过点F、O,并且与抛物线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ac62b1ade07205ae2693ec1ab135def.png)
(2)设过点F且不与坐标轴垂直的直线交椭圆于A、B两点,线段AB的垂直平分线与
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
您最近一年使用:0次
2023-05-17更新
|
254次组卷
|
5卷引用:上海市静安区2021届高三二模数学试题
上海市静安区2021届高三二模数学试题广东省佛山市萌茵2021届高三高考数学适应性试题(已下线)课时38 抛物线-2022年高考数学一轮复习小题多维练(上海专用)(已下线)专题24 圆锥曲线八类压轴题(解答题)-1江西省宜春市上高中学2022-2023学年高二下学期5月期中考试数学试题
解题方法
2 . 已知椭圆
:
(
)的离心率为
,它的上顶点为
,左、右焦点分别为
,
(常数
),直线
,
分别交椭圆
于点
,
.
为坐标原点.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/28/4bf70cfc-5f0c-4e72-bdd9-360e1e913a72.png?resizew=243)
(1)求证:直线
平分线段
;
(2)如图,设椭圆
外一点
在直线
上,点
的横坐标为常数
(
),过
的动直线
与椭圆
交于两个不同点
、
,在线段
上取点
,满足
,试证明点
在直线
上.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b94469fd19f40116e2dec334919d6586.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d7aea48c44781a844b5c19191f70f61.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a0c4c098615c6bc7e6dcf72e5b5201a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/827ccf0c04aa941ba20d5f4c6068b46b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5076829e649b3f3866d4a7e07a5713e4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/697c20fca284394bf5d5b9e5f6d952e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8cec12441802f71e803efaf2c62ee588.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/b94469fd19f40116e2dec334919d6586.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/1dde8112e8eb968fd042418dd632759e.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/28/4bf70cfc-5f0c-4e72-bdd9-360e1e913a72.png?resizew=243)
(1)求证:直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aaf1438142deeac876fc7dc50552e552.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
(2)如图,设椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b94469fd19f40116e2dec334919d6586.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aaf1438142deeac876fc7dc50552e552.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23116746fed8b245a5d69ab5600836e1.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/b94469fd19f40116e2dec334919d6586.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/411461db15ee8086332c531e086c40c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98ef3f1bbaa28cba883f73ad7f4f2d33.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7a77265c768c72d5d3ac907fb722a5c.png)
您最近一年使用:0次
名校
3 . 将曲线
(
)与曲线
(
)合成的曲线记作
.设
为实数,斜率为
的直线与
交于
两点,
为线段
的中点,有下列两个结论:①存在
,使得点
的轨迹总落在某个椭圆上;②存在
,使得点
的轨迹总落在某条直线上,那么( ).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d80a47fd46072cd717442cb378d431ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6fdca98f051334f93de1defecc41b356.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/321b2d0b08e09a3ca2d98bde8c2718cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab0986d3184ab858e12a822937805b79.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
A.①②均正确 | B.①②均错误 |
C.①正确,②错误 | D.①错误,②正确 |
您最近一年使用:0次
2022-06-23更新
|
1188次组卷
|
10卷引用:上海市市北中学2022-2023学年高二下学期期中数学试题
上海市市北中学2022-2023学年高二下学期期中数学试题上海市黄浦区2022届高考二模数学试题(已下线)考点8-5 圆锥曲线综合应用(文理)(已下线)第13讲 椭圆 - 1(已下线)专题12平面解析几何必考题型分类训练-3上海市曹杨第二中学2023届高三下学期2月月考数学试题(已下线)2023年上海高考数学模拟卷02重庆市北碚区2023届高三上学期10月月度质量检测数学试题上海市黄浦区格致中学2024届高三下学期开学考试数学试题上海市上海中学东校2023-2024学年高二下学期3月月考数学试题
解题方法
4 . 已知直线
经过椭圆
的左顶点A和上顶点D,椭圆
的右顶点为
,点
是椭圆
上位于
轴上方的动点,直线
与直线
分别交于
两点.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/28/f06c803c-d136-4655-b703-ad9b6cbca075.png?resizew=188)
(1)求椭圆
的方程;
(2)求线段MN的长度的最小值;
(3)当线段MN的长度最小时,在椭圆
上是否存在这样的点
,使得
的面积为
,若存在,确定点
的个数,若不存在,说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18feaed4f3dd7698210ba302c81dca6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad523e69a1bf925e73a22900b9855df2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.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/11b141148d19998c842aee2e5b1de63a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c86c60c1e2c03439a55ddfc9bd2a4a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7789a500686c7a73770404ead6af0590.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/28/f06c803c-d136-4655-b703-ad9b6cbca075.png?resizew=188)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)求线段MN的长度的最小值;
(3)当线段MN的长度最小时,在椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94871af82dd662cf4d70185269966e8d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3ffd5c35bba71ea54c28622b6cf505d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
您最近一年使用:0次
2022-02-15更新
|
1244次组卷
|
3卷引用:上海市市北中学2023届高三上学期10月月考数学试题
名校
5 . 已知实数
满足
,则
的取值范围是___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b0fffbec1fe851795dfdd448bf0d165.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51f7325d7ac6c8ef87a65fde9eaaf51c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69d059543a5be8b9077aa92f61378413.png)
您最近一年使用:0次
2021-12-22更新
|
1138次组卷
|
6卷引用:上海市市北中学2022-2023学年高二下学期期中数学试题
上海市市北中学2022-2023学年高二下学期期中数学试题上海市浦东新区2022届高三上学期一模数学试题(已下线)解密15 双曲线方程(分层训练)-【高频考点解密】2022年高考数学二轮复习讲义+分层训练(新高考专用)重庆市西南大学附属中学校2022届高三下学期第六次月考数学试题(已下线)专题19 圆锥曲线 (模拟练)-1上海市敬业中学2022届高三下学期开学考试数学试题
解题方法
6 . 已知椭圆C∶
(a>b>0).
![](https://img.xkw.com/dksih/QBM/2021/6/23/2749001270468608/2782588980649984/STEM/64110ee0fd104f9297e184af818343c0.png?resizew=465)
(1)如图1,若椭圆C的半焦距c=1,且
,椭圆与过点(0,1)且斜率为
的直线相交于P、Q两点,求
的值;
(2)如图2,设A为椭圆C∶
(a> b> 0)的长轴的左端点,B为椭圆C的上顶点,F为椭圆C的左焦点,O为坐标原点,记∠BFO=θ,当椭圆C同时满足下列两个条件∶①
;②O到直线AB的距离为
;求椭圆长轴长的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d7aea48c44781a844b5c19191f70f61.png)
![](https://img.xkw.com/dksih/QBM/2021/6/23/2749001270468608/2782588980649984/STEM/64110ee0fd104f9297e184af818343c0.png?resizew=465)
(1)如图1,若椭圆C的半焦距c=1,且
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/378ef7c71791ea5d7be880add2dd5f95.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9cbc334d6f4b6f92ffdeba67ca441b8.png)
(2)如图2,设A为椭圆C∶
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d7aea48c44781a844b5c19191f70f61.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b3dbfca90aed6304c5ea3d1ca4f4c3e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d5989c84e320b504511f23eeb6e7357.png)
您最近一年使用:0次
名校
解题方法
7 . 直线
,椭圆
,
与
交于两不同点
、
.
(1)求
的取值范围;
(2)
为坐标原点,
,求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/994bc9bdcdd33492dc5d574a6d8e0145.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb4402aeb853b22f20992156957ef0fd.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/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a242daa77a0db2f993a67dd42e02bc5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
您最近一年使用:0次
8 . 已知椭圆
(
)的短轴长为2,过点
和
的直线与原点的距离为
.
(1)求椭圆的方程;
(2)已知定点
,若直线
(
)与椭圆交于C、D两点.问:是否存在k的值,使
?请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d7aea48c44781a844b5c19191f70f61.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a0c4c098615c6bc7e6dcf72e5b5201a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9e4c1ddeeb5be78a43429629faab554.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48d04015890783f6b8b0264b1d1c9127.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/860884c0017c8bceb5b0edff796c144f.png)
(1)求椭圆的方程;
(2)已知定点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67c2c1fb76064ec624712cd818f07e94.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/02ebce8b2a915356ed39f36c5bad2ebe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f2c80c26a794a844127aae7dee87c93b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4519397ce1e517777092f9037e73aa4.png)
您最近一年使用:0次
11-12高二上·山东济宁·阶段练习
名校
9 . 在平面直角坐标系
中,点
到两点
的距离之和等于4,设点
的轨迹为曲线![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(1)求曲线
的方程;
(2)设直线
与
交于
两点,
为何值时
?
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b76c5a0c8dff254d560ab24e51e0b136.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)设直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6767830cc1811f0f4ea5a008fdc7e723.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3fb74745f1d6a291a7422feb93c27dbc.png)
您最近一年使用:0次
2019-12-07更新
|
1194次组卷
|
14卷引用:上海市宝山区扬波中学2017-2018学年高二上学期期末数学试题
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10 . 设
,椭圆
:
与双曲线
:
的焦点相同.
(1)求椭圆
与双曲线
的方程;
(2)过双曲线
的右顶点作两条斜率分别为
,
的直线
,
,分别交双曲线
于点
,
(
,
不同于右顶点),若
,求证:直线
的倾斜角为定值,并求出此定值;
(3)设点
,若对于直线
,椭圆
上总存在不同的两点
与
关于直线
对称,且
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58b140e221ddf537b8964fff8557cca0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bcd8ee2d8367c167d6ae0abc741b6b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91bf40fb28a0da2d88d570def9ba4780.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8bfbf457f97c06c9c062e809ffdf5b00.png)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bcd8ee2d8367c167d6ae0abc741b6b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)过双曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.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/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.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/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/257beb71337358f5ccc57219d9153666.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a5f1641947153c80b987320885a2b57.png)
(3)设点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b50d653feccc42aba161d0b145510689.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5568579340b4a3daf3f01b6dbc4048a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bcd8ee2d8367c167d6ae0abc741b6b8.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/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eccd0bda6bfa60e54eb708fcdc6def2c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
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