1 . 已知点
到定点
的距离和它到直线
:
的距离的比是常数
.
(1)求点
的轨迹
的方程;
(2)若直线
:
与圆
相切,切点
在第四象限,直线
与曲线
交于
,
两点,求证:
的周长为定值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c7b07ace87ed58fdc1f1bc78a04aeda.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa6e58ec5a07d7cc3248812b4cee2863.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eac97e6740365c85ad857aff85cefbe5.png)
(1)求点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)若直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15b256345d7109e081b7c895591e995d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54329a84abb204cecb237b2bf2ff2bb7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.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)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2eaceb8d6c6927e14d9ac7a557a2b11d.png)
您最近一年使用:0次
2023-09-19更新
|
1055次组卷
|
4卷引用:云南省大理白族自治州大理市辖区2024届高三区域性规模化统一检测数学试题
云南省大理白族自治州大理市辖区2024届高三区域性规模化统一检测数学试题云南省三校2024届高三高考备考实用性联考卷(三)数学试题重庆市2024届高三上学期9月月度质量检测数学试题(已下线)重难点突破16 圆锥曲线中的定点、定值问题 (十大题型)-1
名校
2 . 如图,在三棱柱
中,四边形
是边长为4的菱形,
,点D为棱AC上的动点(不与A、C重合),平面
与棱
交于点
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/26/61fc77f8-80bb-4839-bcdc-3801ab501572.png?resizew=186)
(1)求证
;
(2)若平面
平面
,
,判断是否存在点D使得平面
与平面
所成的锐二面角为
,并说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d3a82b8e587ee890467835bc4e854c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ac61c24f99a4e466f1e2ea011893866.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae617fbbfc82b69086f5184bd5cbca26.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fefd737df2c1884834312b4c4f1a16c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f1f229274a6e17977cc047814212589.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/26/61fc77f8-80bb-4839-bcdc-3801ab501572.png?resizew=186)
(1)求证
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7a2f55320edad0d0e73df2877a38538.png)
(2)若平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3d7090639341730951c1bc3c9b6164e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ac61c24f99a4e466f1e2ea011893866.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f70d708336d4f15e7fca0b26acb353b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9b7b7793d29d66dfdd89e7a6564a35c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ea6d2a253bdcecb8608b4004ebd68c0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac1a63ab608517bb10aa036783dfb51f.png)
您最近一年使用:0次
2023-03-24更新
|
1542次组卷
|
5卷引用:云南省曲靖市第一中学2023届高三教学质量监测(五)数学试题
3 . 已知双曲线
:
(
,
)的离心率是
,实轴长是2,
为坐标原点.设点
为双曲线
上任意一点,过点
的直线
与双曲线
的两条渐近线分别交于
,
两点,
的面积为
.
(1)当
的方程为
时,求
的值;
(2)设
,求证:
为定值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19f3fa0b40fb0d9b8c62e37316ab3b04.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67ca5fd57c2c2fcc3c7a574fdd1467d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7ffe8515ff6183c1c7775dc6f94bdb8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7775aa57ca0e62216f3039ed88dceed0.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/0f85fca60a11e1af2bf50138d0e3fe62.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/25dd698d57d1cf239eb8752aecaaa4f4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7555cd38f338e8758f5f73e10c08dc0a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0b86edc0c4934a2d38d94b1e862b563.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/968ba2a160e37b74d4f1fd7e028f4c41.png)
您最近一年使用:0次
2023-08-05更新
|
487次组卷
|
3卷引用:云南师范大学附属中学2023届高三第十次高考适应性考试数学试题
名校
解题方法
4 . 在三棱锥
中,
,
平面ABC.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/5/2/cd244de3-c8b6-4c6f-b81d-218ba9aa43fa.png?resizew=155)
(1)证明:平面
平面PAB;
(2)若
,点E,F分别在线段PB,PC上,且
,
,求平面AEF与平面ABC夹角的余弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63397cda22cb1fad59cf966dfb588643.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af260e0d98c95d1e092dc4c6d348e3ea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ccd4fd4b7a4d6b8ca0c5827c055a9ce7.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/5/2/cd244de3-c8b6-4c6f-b81d-218ba9aa43fa.png?resizew=155)
(1)证明:平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/78a3fd5284e160896f07ce367645fd04.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ace900749d0861aa51fcc6d72c51f82c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f2dbefaa9f0222ed10ec88bdbff733c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f22260c83e31e5e3b49e534b5f82818d.png)
您最近一年使用:0次
5 . 在平面直角坐标系
中,动圆
与圆
内切,且与圆
外切,记动圆圆心
的轨迹为曲线
.
(1)求曲线
的方程;
(2)设曲线
的左、右两个顶点分别为
、
,
为直线
上的动点,且
不在
轴上,直线
与
的另一个交点为
,直线
与
的另一个交点为
,
为曲线
的左焦点,求证:
的周长为定值.
![](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/25da7d567db64f6ef4c524e8fa1a26c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a176c6f6d34cd0ac5def0459a8561a5a.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)设曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a18722354086c42e62334983fc50eb6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd3b9e816b14051f785aa5aae72b8eed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/495bb3e5a3a9d35f5c9f0cf1f5d51876.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/5e463e661d45282d927b7596d5ad3b1d.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/cd3896bb7e10246b3b8c33da4c500762.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ecfb02e157819a2bdd0f2790cbc825e9.png)
您最近一年使用:0次
2023-03-24更新
|
1343次组卷
|
5卷引用:云南省曲靖市第一中学2023届高三教学质量监测(五)数学试题
云南省曲靖市第一中学2023届高三教学质量监测(五)数学试题重庆市万州第二高级中学2023届高三下学期第四次质量检测数学试题(已下线)模块八 专题9 以解析几何为背景的压轴解答题(已下线)押新高考第21题 圆锥曲线四川省内江市市中区神州天立高级中学2023届高三下学期高考模拟理科数学试题
名校
6 . 已知曲线
,其离心率为
,焦点在
轴上.
(1)求
的值;
(2)若
与
轴交于
,
两点(点
位于点
的上方),直线
与
交于不同的两点
,
,直线
与直线
交于点
.求证:当
时,
,
,
三点共线.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c7075d8532088d7f7d48ee273e997be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d5989c84e320b504511f23eeb6e7357.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.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/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15b256345d7109e081b7c895591e995d.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/b8963da33f2dd163bee1e890958f858b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e69d2b798744645af88a4fa411344a83.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c4ff1bb82eab351296b58b6a302a017.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
您最近一年使用:0次
名校
7 . 如图,在四棱锥
中,底面
为直角梯形,
,
,侧面
底面
,
,
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/22/34bc6b5a-7518-498e-9e25-b64a24c65d44.png?resizew=162)
(1)若
的中点为E,求证:
平面
;
(2)若
,求平面
与平面
的夹角的余弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34e0a957a55460c72673c0f2ee90dbb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/080db3af81b29ed10144a1c2e2a4fb8a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4aa9084b8fe0fe05c4388d1f835587b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a58f8122f726f2cbffd12abef199225.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e65a3e478bb87d094e3a0af30dd10ae8.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/22/34bc6b5a-7518-498e-9e25-b64a24c65d44.png?resizew=162)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2be49c37e30a3ced0364c3e74d8c687.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31c34b18525831f3eda7bb90be0199b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80f747eb5b2d21c9de962cbfd4ec4bb7.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcd0ced286a0fbc7e4862f8147264277.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80f747eb5b2d21c9de962cbfd4ec4bb7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f571a1aac46c6d0cf440c0ec2846bf9.png)
您最近一年使用:0次
2023-11-03更新
|
1101次组卷
|
3卷引用:云南省大理州2024届高三毕业生第一次复习统一检测数学试题
名校
8 . 已知在多面体
中,
,
,
,
,
且平面
平面
.
(1)设点F为线段BC的中点,试证明
平面
;
(2)若直线BE与平面ABC所成的角为
,求二面角
的余弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9142a8490de14a87eda628ffa7e28982.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/066cd386723885c535ea720f5817847a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/615fc8790237a1b09af51d6bcad6b595.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0028211551dd418eaaf51dde450f8b73.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5545dc3211671941048034af38092fa6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/236c134aad7d9a21c49c07e924b9a531.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de8ff58f671a287701011a1b31e67e28.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/9/21/eee2123a-b085-465b-a604-374e6bef3b4f.png?resizew=168)
(1)设点F为线段BC的中点,试证明
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a5f445af1ae136773cb338920552ff2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
(2)若直线BE与平面ABC所成的角为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d5bca00fa20e6e80480b9d06d2e52ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd29cc627d76412c236aac6b29fa0fdf.png)
您最近一年使用:0次
2023-09-19更新
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2023次组卷
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21卷引用:云南省大理州民族中学、怒江州民族中学2024届高三上学期第一次联合考试数学试题
云南省大理州民族中学、怒江州民族中学2024届高三上学期第一次联合考试数学试题湖北省“荆、荆、襄、宜四地七校考试联盟2019-2020学年高三上学期10月联考数学(理)试题福建省厦门外国语学校2019-2020学年高三上学期12月月考数学(理)试题江西省新余市2019-2020学年高三上学期第四次段考数学(理)试卷福建师范大学第二附属中学2020届高三上学期期中考试数学(理)试题内蒙古霍林郭勒市第一中学2021-2022学年高二下学期期中考试数学试题河北省唐县第一中学2021-2022学年高二下学期期中数学试题陕西省宝鸡市虢镇中学2022-2023学年高三上学期第五次模考理科数学试题浙江省杭州市、宁波市部分学校2022-2023学年高三下学期4月联考数学试题(已下线)高二上学期期中【常考60题考点专练】(选修一全部内容)-2022-2023学年高二数学考试满分全攻略(人教A版2019选修第一册)重庆市涪陵区部分学校2023-2024学年高二上学期第一次月考数学试题广东省广州市第八十九中学2023-2024学年高二上学期10月月考数学试题重庆市广益中学校2023-2024学年高二上学期10月月考数学试题河南省开封市五县2023-2024学年高二上学期期中联考数学试题(已下线)第一次月考检测模拟试卷(原卷版)四川省成都市实验外国语学校2023-2024学年高二上学期第一阶段考试数学试题辽宁省沈阳市第十五中学2023-2024学年高二上学期12月月考数学试题四川省遂宁市蓬溪中学校2023-2024学年高二上学期12月月考数学试题四川省宜宾市第四中学校2023-2024学年高二上学期期末数学试题四川省凉山州宁南中学2023-2024学年高二上学期期末模拟数学试题(三)北京市海淀区首都师范大学附属中学2023-2024学年高二上学期期中考试数学试题
解题方法
9 . 如图,直四棱柱
中,
是等边三角形,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1134c8e3440abb6cd385af2c169037fe.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/16/c9c1d8f8-4b0c-4dd3-88f0-c2d96f52011a.png?resizew=166)
(1)从三个条件:①
;②
;③
中任选一个作为已知条件,证明:
;
(2)在(1)的前提下,若
,
是棱
的中点,求平面
与平面
所成角的余弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1134c8e3440abb6cd385af2c169037fe.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/16/c9c1d8f8-4b0c-4dd3-88f0-c2d96f52011a.png?resizew=166)
(1)从三个条件:①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cfc1f76257275ab4b04f9bc913535670.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7dbf31dfd36aa456a63bafea8bc1985.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2d6ceed6e5a36193bcb5a557853dbee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d1aa6737e2a2695bb3cdb2a61a65f06.png)
(2)在(1)的前提下,若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ccc2009ab276186489f2b86e0e4c9e8c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0a851907ada2ac2c3c4880a6736d28a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b97d75d0594122ee2d53a67bf427d97.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d8d9157c84e0b2c946b0b65c8087e3f.png)
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名校
解题方法
10 . 已知圆
:
,定点
,如图所示,圆
上某一点
恰好与点
关于直线
对称,设直线
与直线
的交点为
.
(1)求证:
为定值,并求出点
的轨迹
方程;
(2)设
,
为曲线
上一点,
为圆
上一点(
,
均不在
轴上).直线
,
的斜率分别记为
,
,且
.求证:直线
过定点,并求出此定点的坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b9aae7e3783b0358ecbfc339713ae12.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/645ecfd880f3292d2f24a88701759074.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6795cae2df43a722e1355e9562d93c09.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a5f1641947153c80b987320885a2b57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a5f1641947153c80b987320885a2b57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/554b3b4c5ce7aca81becc07ed4903736.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/6/2/26e11d36-1e11-4942-b07b-0e464858064a.png?resizew=179)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83ce7465715ecdbe1e0d0cad69a47695.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0929421a6188c3122442866b0b85a5e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f240cccaf24af8a796abb95cb42be52e.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/81dea63b8ce3e51adf66cf7b9982a248.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/6defc43285a40f7ccb74c1cc04265eba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/423b7ae39db552e60ee8b1d27312306f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f80a525d0af0832a6abb212d337aff6c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
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2023-06-01更新
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564次组卷
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10卷引用:云南三校2023届高三高考备考实用性联考卷(八)数学试题
云南三校2023届高三高考备考实用性联考卷(八)数学试题江苏省金陵中学、海安中学2022-2023学年高三上学期10月第二次联考数学试题江苏省南通市海安高级中学2022-2023学年高三上学期第二次月考数学试题(已下线)考向36 直线与圆锥曲线最全归纳(十六大经典题型)-2江苏省扬州市宝应中学2022-2023学年高二上学期期中数学试题江苏省南通市如东县2022-2023学年高二上学期期中数学试题(已下线)专题32 一类与斜率和、差、商、积问题的探究-2(已下线)专题9-5 圆锥曲线大题基础:定点归类广东省高州市2023届高三二模数学试题(已下线)专题7-4圆锥曲线五个方程型大题归类-1