1 . 已知
、
是椭圆
上两动点,
为原点,定点
,向量
,
在向量
方向上的投影分别为
,
,且
,动点
满足
.
(1)求点
的轨迹
的方程;
(2)记点
,
,求证:无论动点
在轨迹
上如何运动,
恒为一个常数.
![](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/f578c87d528cc32b2acb0e913391c26e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33a62c9695f5a1691c5fe8724fa764b7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4f605ec0729ce6d72237ad662a06862.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6fc9656d8286c4d6fa309d6ae347c89e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21909dd065ccc349a2cbfd4c3cf4976b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca70897450a4208d95018c8fac6138ba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98094053649f93909ac555de3694ad52.png)
(1)求点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
(2)记点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae140e4db2c5563e5f902fcbebaac262.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c95963e8e4dcc511f0d86b1853ddcdc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b894af0328f96959e0ef1c19ff50cdd.png)
您最近一年使用:0次
名校
2 . 已知完全封闭且内部中空的圆柱底面的半径为
,母线长为
.
(1)当
,
时,在圆柱内放一个半径为1的实心球,求圆柱内空余部分的体积;(结果用精确值表示)
(2)如图,当
,
时,平面
与圆柱的底面所成锐二面角为45°,且平面
只与圆柱的侧面相交,设平面
与圆柱的侧面相交的轨迹为曲线
,半径为1的两个球分别在圆柱内平面
上下两侧且分别与平面
相切于点
,
,若点
为曲线
上任意一点,求证:
为定值;
(3)在(1)的条件下,在圆柱内部空余的地方放入和实心球、侧面及相应底面均相切的半径为
的同样大小的小球
个,求
的最大值
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/10/25/0104b598-57fd-4266-9c5d-a688dd51ea88.png?resizew=271)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04c572083c2af625b8222e19a53a5d43.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61318c3e8dd2eda4f1d95094c9a2b301.png)
(2)如图,当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04c572083c2af625b8222e19a53a5d43.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e72dab760e63b18eb9162907a11614d8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.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/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8cc6d51d02b0eb21e6f3a99b72f5d3cc.png)
(3)在(1)的条件下,在圆柱内部空余的地方放入和实心球、侧面及相应底面均相切的半径为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11bc05f41215f9894e11d1df0465751a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d7e9f86738335a22298559db41037a4.png)
您最近一年使用:0次
2023-10-22更新
|
544次组卷
|
4卷引用:上海市七宝中学2023-2024学年高二上学期10月月考数学试题
上海市七宝中学2023-2024学年高二上学期10月月考数学试题上海市七宝中学2023-2024学年高二上学期9月月考数学试题(已下线)第二章 立体几何中的计算 专题六 空间定值问题 微点1 立体几何中的定值问题综述及定长、定距问题【培优版】(已下线)第四章 立体几何解题通法 专题一 降维法 微点4 降维法综合训练【基础版】
2023高三·全国·专题练习
解题方法
3 . 已知椭圆
和双曲线
有公共的焦点
、
,P是两曲线的一个交点.
(1)求
;
(2)求证:
;
(3)求证:
的面积为
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7dd54b9df3402ad91e2d34c40efe0c7a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d4d0b4d60f28a0a82eaeb506ac58bc1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae28f18db533bf6764b4451b60dfeb54.png)
(2)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f3ba776cc1b52d5f1f6530d494947a5f.png)
(3)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/002ed1ebb2cb936e10ab478789f91c7c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/905c203b07b9dec248a710af45e86b78.png)
您最近一年使用:0次
4 . 在圆
上任取一点
,过点
作
轴的垂线段
,垂足为
.当点
在圆上运动时,线段
的中点
的轨迹是椭圆
.
(1)求该椭圆
的方程.
(2)法国数学家加斯帕尔·蒙日(1746—1818)发现:椭圆上任意两条互相垂直的切线的交点,必在一个与椭圆同心的圆上,称此圆为该椭圆的“蒙日圆”.若椭圆
的左、右焦点分别为
为椭圆
上一动点,直线
与椭圆
的蒙日圆相交于点
,求证:
为定值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5f5d967ad135991b6075ee45df55643.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad1ab6c10bc0a8bfbdc3b4824c2de1d1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad1ab6c10bc0a8bfbdc3b4824c2de1d1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(1)求该椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)法国数学家加斯帕尔·蒙日(1746—1818)发现:椭圆上任意两条互相垂直的切线的交点,必在一个与椭圆同心的圆上,称此圆为该椭圆的“蒙日圆”.若椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76ed463bf16c78a4bbb9d3acff922afa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abd13974aebe38eb2a1d744a01ea5aa5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7789a500686c7a73770404ead6af0590.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37a29c6bb540fcb90f8f29b3da633c07.png)
您最近一年使用:0次
名校
解题方法
5 . 已知椭圆
的上、下焦点分别为
,
,离心率为
,过点
作直线
(与
轴不重合)交椭圆
于
,
两点,
的周长为
.
(1)求椭圆C的标准方程;
(2)若点A是椭圆
的上顶点,设直线
,
,
的斜率分别为
,
,
,当
时,求证:
为定值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57ef404abca1f78da130a38849f58559.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/bf31876698721a199c7c53c6b320aa86.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.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/5585a42c8f07ad90b94ace9db3d78994.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8da45c443af7994a26ffa9d8894e7262.png)
(1)求椭圆C的标准方程;
(2)若点A是椭圆
![](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/d50703c46b6153945d718b198f03b4b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f50b3ae183997b707d16eb4e7f6712fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.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/f2c80c26a794a844127aae7dee87c93b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3670fc9086aeadbb4356b542e0163643.png)
您最近一年使用:0次
2023-05-06更新
|
896次组卷
|
5卷引用:湘豫名校联考2023届高三5月三模文科数学试题
名校
解题方法
6 . 如图,椭圆
,圆
,椭圆C的左、右焦点分别为
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/5/2/982fcc91-40c1-4c1c-b1b5-68f7cb1b5d18.png?resizew=179)
(1)过椭圆上一点P和原点O作直线l交圆O于M,N两点,若
,求
的值;
(2)过圆O上任意点R引椭圆C的两条切线,求证:两条切线相互垂直.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97cec1069311f0b48631d43524215250.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22fa27fccbb61045fb30f50c7b271082.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d2a97987f71835f519b462f5b8f5957.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/5/2/982fcc91-40c1-4c1c-b1b5-68f7cb1b5d18.png?resizew=179)
(1)过椭圆上一点P和原点O作直线l交圆O于M,N两点,若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac31e98551e5b14307482844b78c5498.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e177345aea68c21205d3ff3107eb1f03.png)
(2)过圆O上任意点R引椭圆C的两条切线,求证:两条切线相互垂直.
您最近一年使用:0次
解题方法
7 . 已知椭圆
:
的左,右焦点分别为
,
,离心率为
,
是椭圆
上不同的两点,且点
在
轴上方,
,直线
,
交于点
.已知当
轴时,
.
(1)求椭圆
的方程;
(2)求证:点
在以
,
为焦点的定椭圆上.
![](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/9b9bece414af7ecb2d796dc8a6f549e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27e62a44b8712ce4483b8710cda0dc1c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/168b3e4b1d6f04226fa2687a72a268b4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.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/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56a9ba2ad5c0ecbe510de6bec93cc0f4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b7f2b5b1e9ef7dd60486b550eb4cbec1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b283e4d7375d770823775e4036c9f6d0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7dfb1f50df746b8d8911759053e35e4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2243a8dfc3e17218d65609679ea58c8.png)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)求证:点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
您最近一年使用:0次
2023-03-10更新
|
1142次组卷
|
3卷引用:专题20平面解析几何(解答题)
8 . 已知动点P到直线
的距离是P到点
距离的2倍,点P的轨迹记为C.
(1)证明:存在点
,使得
为定值.
(2)过点F且斜率
的直线l与C交于A,B两点,M,N为x轴上的两个动点,且
,
,若
,求k.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f23d29646155e27b172ecdf263e2d702.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2ba2238d6afe0187534155dd9ac48c6.png)
(1)证明:存在点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f8e55590555905eb4f57889bbd16e39a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17ed50b7ddc736c4a2fad6a58135e03f.png)
(2)过点F且斜率
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f0d68648b10fce54dfc19c5ee60086d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d99e9ab44437147165c319705daad0fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/339f691f01e9fb0e30570d5daad31002.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c0dc4ea85e09c94960e4f1c20657e117.png)
您最近一年使用:0次
2023-01-09更新
|
412次组卷
|
4卷引用:青海省西宁市大通回族土族自治县2023届高三一模数学(理)试题
名校
解题方法
9 . 我们把具有公共焦点、公共对称轴的两段圆锥曲线弧合成的封闭曲线称为“盾圆”.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/13/f275edec-5c87-41f4-a26e-86c1d0b1b57f.png?resizew=155)
(1)设椭圆
:
与双曲线
:
有相同的焦点
、
,M是椭圆
与双曲线
的公共点,且
的周长为6,求椭圆
的方程;
(2)如图,已知“盾圆”D的方程为
设“盾圆”D上的任意一点M到
的距离为
,M到直线
:
的距离为
,求证:
为定值.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/13/f275edec-5c87-41f4-a26e-86c1d0b1b57f.png?resizew=155)
(1)设椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d7aea48c44781a844b5c19191f70f61.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/747df5680bcf95e1a5aa7dfd8c4d3dab.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/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b42fc33bcfc63ec2f4940ccd3f862400.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
(2)如图,已知“盾圆”D的方程为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1480de5b21903018b2b9bfaef4f16ae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/092fd1b1d33979818300cd2e3699bff7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5edf900c810371fb21297c15f86d8743.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e55aa0a20848c37c1892c567b2315e04.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b31ac1def558351e2e3ed1235c570530.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2a4b32d388558eb9a9e4f0f2dd57c09.png)
您最近一年使用:0次
2023-02-08更新
|
434次组卷
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3卷引用:沪教版(2020) 选修第一册 高效课堂 第二章 每周一练(3)
沪教版(2020) 选修第一册 高效课堂 第二章 每周一练(3)(已下线)上海市华东师范大学第二附属中学2023-2024学年高二上学期数学期末考试试卷上海市华东师范大学第二附属中学2023-2024学年高二上学期期末考试数学试卷
名校
解题方法
10 . 已知椭圆
的左、右焦点分别为F₁,F₂,动点M满足|| MF₁ | -| MF₂|| =4.
(1)求动点M的轨迹C的方程:
(2)已知点A(-2,0),B(2,0),当点M与A,B不重合时,设直线MA,MB的斜率分别为k₁,k₂,证明:
为定值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c06ffc3051183ecdd0fa98799095bc13.png)
(1)求动点M的轨迹C的方程:
(2)已知点A(-2,0),B(2,0),当点M与A,B不重合时,设直线MA,MB的斜率分别为k₁,k₂,证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4757181824e15e0f21e5bdd55448783.png)
您最近一年使用:0次
2022-12-12更新
|
1164次组卷
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4卷引用:甘肃省兰州第一中学2022-2023学年高二上学期期末考试数学试题
甘肃省兰州第一中学2022-2023学年高二上学期期末考试数学试题新疆泽普县第二中学2022-2023学年高二上学期期末考试数学试题(已下线)3.2.1 双曲线及其标准方程【第三练】“上好三节课,做好三套题“高中数学素养晋级之路江西省2022-2023学年高二上学期12月统一调研测试数学试题