已知
,
分别为椭圆
的左、右焦点,
为椭圆上任意一点(不在
轴上),
外接圆的圆心为
,半径为
,
内切圆的圆心为
,半径为
,直线
交
轴于点
,
为坐标原点,则( )
![](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/c99e8488f37ecf147b0bf7663b66f052.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33d776753746914c2410a3946c357f35.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73465a1f9aa03481295bf6bd3c6903ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33d776753746914c2410a3946c357f35.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e105760638b22b26ff8bec4354255e4c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11bc05f41215f9894e11d1df0465751a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ede935419d69a161bb22fd513647da06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
A.![]() ![]() | B.![]() ![]() |
C.![]() | D.![]() ![]() |
更新时间:2023-11-19 19:19:54
|
相似题推荐
多选题
|
较难
(0.4)
解题方法
【推荐1】若正实数
满足
,则下列结论中正确的有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632244ea6931507f8656e1cc3437d392.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d66a894fe1c8dddb41d9e4885e979a5c.png)
A.![]() |
B.![]() ![]() |
C.![]() ![]() |
D.![]() ![]() |
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名校
解题方法
【推荐2】如图,几何体
为一个圆柱和圆锥的组合体,圆锥的底面和圆柱的一个底面重合,圆锥的顶点为
,圆柱的上、下底面的圆心分别为
,
,几何体
的外接球包含圆锥的顶点与底面圆周,以及圆柱的底面圆周.
点为圆
上任意一点,
为圆
的一条弦,已知
,
,则( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/21/1a38734f-a45f-49c2-bce9-f4483ef0dcd6.png?resizew=150)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cffa35373ec4e4684107b42adb7a5161.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f919bd3dde10dbbc076f7ec5149699.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c4f6f74444b2b7947fc6e35c8d62322.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cffa35373ec4e4684107b42adb7a5161.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f919bd3dde10dbbc076f7ec5149699.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c4f6f74444b2b7947fc6e35c8d62322.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89405f1dcbb445afa56ba2a57faafcba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/305a88d4e0249bd16d48eda01331d2d4.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/21/1a38734f-a45f-49c2-bce9-f4483ef0dcd6.png?resizew=150)
A.该组合体外接球表面积为![]() |
B.存在![]() ![]() |
C.若![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
D.记直线![]() ![]() ![]() ![]() ![]() ![]() |
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【推荐3】如图,已知圆柱母线长为4,底面圆半径为
,梯形ABCD内接于下底面圆,CD是直径,
,
,过点A,B,C,D向上底面作垂线,垂足分别为
,
,
,
,点
分别是线段
,
上的动点,点
为上底面圆内(含边界)任意一点,则( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/5/31/98aa4952-9475-4ca2-9c91-f97436f7b943.png?resizew=166)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38387ba1cadfd3dfc4dea4ca9f613cea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f79863ffcfa63117ca6741b20a48e69.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/305a88d4e0249bd16d48eda01331d2d4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a18722354086c42e62334983fc50eb6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97c01fdc7bc471af0b264a04aef0823e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6795cae2df43a722e1355e9562d93c09.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7789a500686c7a73770404ead6af0590.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d88bf46ad08f9677c37eed1d0369329.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2777840758e70e7dbbc18cef8f3d6d2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/5/31/98aa4952-9475-4ca2-9c91-f97436f7b943.png?resizew=166)
A.若平面![]() ![]() ![]() ![]() |
B.若平面![]() ![]() ![]() |
C.![]() |
D.当点![]() ![]() ![]() ![]() ![]() ![]() |
您最近一年使用:0次
【推荐1】如图,已知椭圆
:
,过抛物线
:
的焦点F的直线交抛物线于M,N两点,连接NO,MO并延长分别交
于A、B两点,连接AB,
与
的面积分别记为
、
,则在下列结论中正确的为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/4/cf3bda55-1cc7-4642-98d0-8a77e4b74078.png?resizew=178)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c82e7d9f4f7ace849e09e9adcb786b7f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e42102c1c07562853219ca5918803a27.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25dd698d57d1cf239eb8752aecaaa4f4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3fe95f656b98b53f71a9d72bf0c9a4b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46e07f90e126b62cace1bb0de0041d77.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a711bf44ed64556c72fbb0e7f42c27f.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/4/cf3bda55-1cc7-4642-98d0-8a77e4b74078.png?resizew=178)
A.若记直线NO,MO的斜率分别为 ![]() ![]() ![]() |
B.![]() ![]() |
C.设 ![]() ![]() |
D.![]() |
您最近一年使用:0次
【推荐2】如图,已知椭圆:
,过抛物线
:
的焦点F的直线交抛物线于M,N两点,连接NO,MO并延长分别交
于A、B两点,连接AB,
与
的面积分别记为
、
,则在下列结论中正确的为( )
A.若记直线NO,MO的斜率分别为![]() ![]() ![]() |
B.![]() ![]() |
C.设 ![]() ![]() |
D.![]() |
您最近一年使用:0次