1 . 设圆
的圆心为
,过点
且与
轴不重合的直线交圆
于
、
两点,过
作
的平行线交
于点
.
(1)证明
为定值,并写出点
的轨迹
的方程;
(2)已知点
,
,过点
的直线l与曲线
交于
、
两点,直线
,
交于点
,求证:点
在直线
上.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/714df7f0c804617e1c8832d2e91b496a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/768032fa821ab84b467b237fbfbfd5a3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.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/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63a253c7fdf589ee3dece13d5b5b5732.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0629ce42392a7fe9be21d25c39c3e64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
(1)证明
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8448ec5c7681295a1847c0479a9b3187.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bcd8ee2d8367c167d6ae0abc741b6b8.png)
(2)已知点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b5a63e00afba3220756e65d76e3b25e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2767866dc6472299128b8bd074e384fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/768032fa821ab84b467b237fbfbfd5a3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bcd8ee2d8367c167d6ae0abc741b6b8.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/d50703c46b6153945d718b198f03b4b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7785afeeaf274892253d04b4f693b367.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3834d7ec7531f3c3c0ce9b286f7a49.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3834d7ec7531f3c3c0ce9b286f7a49.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f23d29646155e27b172ecdf263e2d702.png)
您最近一年使用:0次
2022-02-15更新
|
307次组卷
|
2卷引用:福建省南平市2021-2022学年高二上学期期末质量检测数学试题
2 . 设圆
的圆心为A,直线
过点B(1,0)且与
轴不重合,
交圆A于C,D两点,过B作AC的平行线交AD于点E.
(Ⅰ)证明:
为定值,并写出点E的轨迹方程;
(Ⅱ)设点E的轨迹为曲线C1,直线
交C1于M,N两点,过B且与
垂直的直线与C1交于P,Q两点, 求证:
是定值,并求出该定值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/714df7f0c804617e1c8832d2e91b496a.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/0f85fca60a11e1af2bf50138d0e3fe62.png)
(Ⅰ)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13b2b09f9c6800d238e8d34018a01fb1.png)
(Ⅱ)设点E的轨迹为曲线C1,直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fdd089a23a9e5e79473437944ae0ec4.png)
您最近一年使用:0次
2019-07-05更新
|
1022次组卷
|
3卷引用:湖北省荆门市2018-2019学年高二下学期期末质量监测数学文试题
13-14高三上·江苏扬州·阶段练习
解题方法
3 . 如图所示,已知圆
为圆上一动点,点
是线段
的垂直平分线与直线
的交点.
![](https://img.xkw.com/dksih/QBM/2014/1/17/1571485997678592/1571486003093504/STEM/0d1c9e38dad240e08cbafd537e2365ba.png)
(1)求点
的轨迹曲线
的方程;
(2)设点
是曲线
上任意一点,写出曲线
在点
处的切线
的方程;(不要求证明)
(3)直线
过切点
与直线
垂直,点
关于直线
的对称点为
,证明:直线
恒过一定点,并求定点的坐标.
![](https://img.xkw.com/dksih/QBM/2014/1/17/1571485997678592/1571486003093504/STEM/ca55511e6f2243b4a497469654befa0c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://img.xkw.com/dksih/QBM/2014/1/17/1571485997678592/1571486003093504/STEM/1419fd323f0b4f1f80b360dcd273d74c.png)
![](https://img.xkw.com/dksih/QBM/2014/1/17/1571485997678592/1571486003093504/STEM/34746eedc7114b0aaf053a5a5a507560.png)
![](https://img.xkw.com/dksih/QBM/2014/1/17/1571485997678592/1571486003093504/STEM/0d1c9e38dad240e08cbafd537e2365ba.png)
(1)求点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://img.xkw.com/dksih/QBM/2014/1/17/1571485997678592/1571486003093504/STEM/b3a4768d331b4176aa14ebe195163c01.png)
(2)设点
![](https://img.xkw.com/dksih/QBM/2014/1/17/1571485997678592/1571486003093504/STEM/e1da11ecc87449fcbfb4b763cffceb7a.png)
![](https://img.xkw.com/dksih/QBM/2014/1/17/1571485997678592/1571486003093504/STEM/b3a4768d331b4176aa14ebe195163c01.png)
![](https://img.xkw.com/dksih/QBM/2014/1/17/1571485997678592/1571486003093504/STEM/b3a4768d331b4176aa14ebe195163c01.png)
![](https://img.xkw.com/dksih/QBM/2014/1/17/1571485997678592/1571486003093504/STEM/e1da11ecc87449fcbfb4b763cffceb7a.png)
![](https://img.xkw.com/dksih/QBM/2014/1/17/1571485997678592/1571486003093504/STEM/323a18df83f2425d9b0cc5422498260f.png)
(3)直线
![](https://img.xkw.com/dksih/QBM/2014/1/17/1571485997678592/1571486003093504/STEM/1e0444fd4b8e45018a87449de89e66e3.png)
![](https://img.xkw.com/dksih/QBM/2014/1/17/1571485997678592/1571486003093504/STEM/e1da11ecc87449fcbfb4b763cffceb7a.png)
![](https://img.xkw.com/dksih/QBM/2014/1/17/1571485997678592/1571486003093504/STEM/323a18df83f2425d9b0cc5422498260f.png)
![](https://img.xkw.com/dksih/QBM/2014/1/17/1571485997678592/1571486003093504/STEM/62752b23b53c40ec8adf92f08132bc26.png)
![](https://img.xkw.com/dksih/QBM/2014/1/17/1571485997678592/1571486003093504/STEM/1e0444fd4b8e45018a87449de89e66e3.png)
![](https://img.xkw.com/dksih/QBM/2014/1/17/1571485997678592/1571486003093504/STEM/3587880221084256b5f9172159f22149.png)
![](https://img.xkw.com/dksih/QBM/2014/1/17/1571485997678592/1571486003093504/STEM/62fc5b061c214957b533a50bcc35ac28.png)
您最近一年使用:0次
名校
解题方法
4 . 已知圆的方程
,
,
,抛物线过
两点,且以圆的切线为准线.
(1)求抛物线焦点的轨迹C的方程;
(2)已知
, 设x轴上一定点
, 过T的直线交轨迹C于
两点(直线
与
轴不重合),求证:
为定值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54329a84abb204cecb237b2bf2ff2bb7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5cd99c5000629d7f49499d666e68f40d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/852b303689c31189cd47bb4a3220f9fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
(1)求抛物线焦点的轨迹C的方程;
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c153027427477bcd0a7228b14ce96cc5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eaf5077ae09443a75fb8301841116a9e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7789a500686c7a73770404ead6af0590.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b800af3d8614f3f30eefa7de8d0b581f.png)
您最近一年使用:0次
2024-02-03更新
|
899次组卷
|
3卷引用:四川省成都市2023-2024学年高二上学期期末校级调研联考数学试题
解题方法
5 . 已知椭圆C:
的焦距为2,
,
分别为其左,右焦点,过
的直线l与椭圆C交于M,N两点,
的周长为8.
(1)求椭圆C的方程;
(2)已知结论:若点
为椭圆C上一点,则椭圆C在该点的切线方程为
.点T为直线
上的动点,过点T作椭圆C的两条不同切线,切点分别为A,B,直线AB交x轴于点Q.证明:Q为定点.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d7aea48c44781a844b5c19191f70f61.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/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4b5c81ee16e93e9822c4dc54c362cb3.png)
(1)求椭圆C的方程;
(2)已知结论:若点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23b4f86e48e2b0d63c1865c60ed1e4d1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a9656735f55e5de465e5667ba578d4e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/224d30ca84f1aeeeda7a718e751a4925.png)
您最近一年使用:0次
解题方法
6 . 已知圆
和定点
,
是圆
上任意一点,线段
的垂直平分线和半径
相交于点
,当点
在圆
上运动时,点
的轨迹记为曲线
.
(1)求曲线
的方程;
(2)直线
与曲线
交于不同两点
,
,直线
,
分别交
轴于
,
两点.求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f3cf9847c5060a6fcb659c0adfb3cb79.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c6ff81aedbefa935da289dc632e78eb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3834d7ec7531f3c3c0ce9b286f7a49.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e4c6b0869d7248b6c2f964718a67702.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48ad8115387158c8dda205d26968ba11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73465a1f9aa03481295bf6bd3c6903ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3834d7ec7531f3c3c0ce9b286f7a49.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73465a1f9aa03481295bf6bd3c6903ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2de33d0ffb95c8bd5971976e66629e53.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/d50703c46b6153945d718b198f03b4b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f50b3ae183997b707d16eb4e7f6712fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.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/d064ea8cf59fea0a5d0faf0b6e4904ea.png)
您最近一年使用:0次
名校
解题方法
7 . 已知圆,
为圆
内一个定点,
是圆
上任意一点,线段
的垂直平分线
交
于点
,当点
在圆
上运动时.
(1)求点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)已知圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c83f9e7f57d03304c3d0e51f43aa5e4.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/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
您最近一年使用:0次
2023-11-13更新
|
964次组卷
|
4卷引用:福建省福州市八县(市)协作校2023-2024学年高二上学期期中联考数学试题
8 . 在平面直角坐标系
中,已知圆E:
和定点
,P为圆E上的动点,线段
的垂直平分线与直线
交于点Q,设动点Q的轨迹为曲线C.
(1)求曲线C的方程;
(2)若
为曲线
上两点,点
在直线
上,试在①直线
过点
;②
;③直线
过点
三者中选择其中两者作为条件,剩下的一个作为结论,并证明其成立.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cfe3492a178084a1b8973e9e17bb165b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/62d314b47d37c9f58e05ad11f3e68e27.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fb26d84907c923278ac4626a9d58947.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc5adb5eb60ae4435a12d93854066298.png)
(1)求曲线C的方程;
(2)若
![](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/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f6c870d99382487249cf481f275e28d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6fe12fb284fc8e2502c9043be594c852.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5482b84882a5a4cd2e365e2b98dcb54.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77a7e4a6765ce78b05ee97764771e01f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e544ce30f9debf4e626677378bbcbff.png)
您最近一年使用:0次
名校
解题方法
9 . 已知
分别是椭圆
的左、右焦点,
是椭圆
上的一点,当
时,
.
(1)求椭圆
的方程;
(2)记椭圆
的上下顶点分别为
,过点
且斜率为
的直线
与椭圆
交于
两点,证明:直线
与
的交点
在定直线上,并求出该定直线的方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2377ea22862dee84fcd0038858de4dfb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad523e69a1bf925e73a22900b9855df2.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/f434c9d1e243f90bd9c5eac037017802.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5091d6fe81cfa32af60c5c266bcfec2.png)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)记椭圆
![](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/fb0e705301752424a492f6277ed7774e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.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/7789a500686c7a73770404ead6af0590.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e69d2b798744645af88a4fa411344a83.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f50b3ae183997b707d16eb4e7f6712fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
您最近一年使用:0次
2024-02-16更新
|
158次组卷
|
2卷引用:安徽省宣城市2023-2024学年高二上学期1月期末考试数学试卷
10 . 设
、
分别是椭圆
的左、右焦点,若_____,
请在以下两个条件中任选一个补充在横线上并作答.
①四点
、
、
、
中,恰有三点在椭圆
上;
②椭圆
经过点
,
与
轴垂直,且
.
(注:如果选择多个条件分别解答,则按第一个解答计分).
(1)求椭圆
的离心率;
(2)设
是椭圆
的上顶点,过
任作两条互相垂直的直线分别交椭圆
于
、
两点,过点
作线段
的垂线,垂足为
,判断在
轴上是否存在定点
,使得
的长度为定值?并证明你的结论.
![](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/851a5d6ec23256f9b4a9e98aa92945fe.png)
请在以下两个条件中任选一个补充在横线上并作答.
①四点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07f05b989842734d1afd9429d15f5484.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6ccebafcbec8ab901145708edf2b3da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dbdd68297be3e412c68d27457a9f8224.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9085f45a27c7122adddfec645b233e00.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
②椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23e97a3b321e8f5a5cc526b2b8daa702.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/183b6a0cef4256c9696a5bca31053da5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a3c9cedff7811b2f9e565bdf42bfee1.png)
(注:如果选择多个条件分别解答,则按第一个解答计分).
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.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/c5db41a1f31d6baee7c69990811edb9f.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/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a81443594dd303ef713b62378dd5c20.png)
您最近一年使用:0次