真题
解题方法
1 . 如图,以椭圆
的中心O为圆心,分别以a和b为半径作大圆和小圆.过椭圆右焦点
作垂直于x轴的直线交大圆于第一象限内的点A.连结
交小圆于点B.设直线
是小圆的切线.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/16/de47bcec-2815-4e0e-9a2b-92ce47ec6e1c.png?resizew=190)
(1)证明
,并求直线
与y轴的交点M的坐标;
(2)设直线
交椭圆于P、Q两点,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48da128547c4cf9745e8e4b99988a3db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98a9a660910d4efa74ccdcf120273993.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef4113c492885ba7c47fe42ac792578f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/274cf35acb4a1748d15c39d15a9bea7b.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/16/de47bcec-2815-4e0e-9a2b-92ce47ec6e1c.png?resizew=190)
(1)证明
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/502491f4e48e1d74ca8cc709840c30b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/274cf35acb4a1748d15c39d15a9bea7b.png)
(2)设直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/274cf35acb4a1748d15c39d15a9bea7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e194a24c02cf7c0b8a92b56731188f6.png)
您最近一年使用:0次
真题
解题方法
2 . 如图,在五面体
中,点O是矩形
的对角线的交点,面
是等边三角形,棱
且
.![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ecff6005f926665a926c07ad62e0f032.png)
平面
;
(2)设
,证明:
平面
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9165d9bfbb0f0d19eb482c2a4c1b29b7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10fc7991ea17d54ff5f4445ac5699463.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee73452ee4d5437f1399f1235b95e55f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a4c9a32fe02c162f0521a0a01be263e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ecff6005f926665a926c07ad62e0f032.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/638537c0a30676c73fea76c80e0f8bd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10fc7991ea17d54ff5f4445ac5699463.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5d3866a226333dbb75754ec9ab916fd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec5e0a296b2a9fd6c73320e29611be5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14eec658f69c267a70c1e8f9b744e282.png)
您最近一年使用:0次
2022-11-09更新
|
823次组卷
|
4卷引用:2006年普通高等学校招生考试数学(理)试题(天津卷)
2006年普通高等学校招生考试数学(理)试题(天津卷)2006年普通高等学校招生考试数学(文)试题(天津卷)(已下线)8.6.2 直线与平面垂直【第三课】“上好三节课,做好三套题“高中数学素养晋级之路(已下线)专题23 立体几何解答题(理科)-1
3 . 已知数列
满足
,并且
(
为非零参数,
).
(1)若
成等比数列,求参数
的值;
(2)设
,常数
且
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e976c0663fa749ca749f99842d21ca03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/afb6c7c4c02de4c67f60d31ed1139bcc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4159df4d2540cc3909c26128314e82e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6ec0b97655e6bd7004df04457c493ac.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5bc321d11e01d8b1ef4879278eb385f8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/540ccd15435aa2d59e809d6a28fb2467.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b08c58baacec3cd0c0a06e267fa9ec5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/835c74bbb8c61dd2d2f008664a8c8810.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6d24a95bc29ae9f73c7f88a6b30fdbd.png)
您最近一年使用:0次
真题
解题方法
4 . 已知数列
满足
.
(1)求
;
(2)证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95b01bf7d703365ccef4d5085c7b7c58.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe61d313eeca8ba47478a9de40540db8.png)
(2)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6cf7d808aad945af4c62138323faf9b4.png)
您最近一年使用:0次
2022-11-09更新
|
1109次组卷
|
3卷引用:2003 年普通高等学校招生考试数学(文)试题(天津卷)
真题
解题方法
5 . 设函数
.
(1)证明
,其中k为整数;
(2)设
为
的一个极值点,证明
;
(3)设
在
内的全部极值点按从小到大的顺序排列
,证明
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8d2a78d0eafddbe5edf83e86791d6cf.png)
(1)证明
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dcf1626febdc487c710ffb74d54f33d4.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3849d60a586fa54660cd3d653b01c66.png)
(3)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/870ebc2f7aabb028024894568d749934.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2506385d68e133523a24a5f5770adb4d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/420314a5c70a97f508023e7f92762091.png)
您最近一年使用:0次
真题
解题方法
6 . 如图,双曲线
的离心率为
,
分别为左、右焦点,M为左准线与渐近线在第二象限内的交点,且
.
(2)设
和
是x轴上的两点过点A作斜率不为0的直线l,使得l交双曲线于C、D两点,作直线
交双曲线于另一点E.证明:直线
垂直于x轴.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5ec7fa23be9cbe9a50607ea6bc8a4ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31f8f7e40ba386c0a9675896b52752d6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c38928a92bc4b44ed3c9b89769f5372.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bcbd9c8d30288327581020717e62d388.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a1d8e820de039970450591eea09c1d0e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d41aab00bd44980657589a668a9a4e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
您最近一年使用:0次
7 . 已知数列
满足
,
,并且
,
(
为非零参数,
).
(1)若
成等比数列,求参数
的值;
(2)当
时,证明:
;
(3)当
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ad5eee51276c36c3b0ec5473504958a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/afb6c7c4c02de4c67f60d31ed1139bcc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3706c8575b004154908c34c973feba03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4159df4d2540cc3909c26128314e82e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c77422a29ac2408a030888c50042c64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6ec0b97655e6bd7004df04457c493ac.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5bc321d11e01d8b1ef4879278eb385f8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3be362dec96173f246ff747264007817.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/323c36bb62b2165b80aa4d388901a086.png)
(3)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76d8047f0a8bd0cf4e250cd0fe80093b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/396c3d8c0d5b9d36dcfcde77865960d8.png)
您最近一年使用:0次
真题
解题方法
8 . 椭圆的中心是原点O,它的短轴长为
,相应于焦点
的准线
与
轴相交于点
,
,过点
的直线与椭圆相交于
两点.
(1)求椭圆的方程及离心率;
(2)若
,求直线
的方程;
(3)设
,过点
且平行于准线
的直线与椭圆相交于另一点
,证明
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95bacae35b6e16a0a33c2bdc6bc07df7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44a3f135e64fd00462d5ba3ec940cf71.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/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea0b10e83db067cc55a32224f281ea0c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6bce3d91ca23b86d8c6625f2632e437.png)
(1)求椭圆的方程及离心率;
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81ffe69ab39492e018a51e21b52dd0fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a5f1641947153c80b987320885a2b57.png)
(3)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/224eef4929d6fb1a261add3f8dd50330.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/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d23f4545494c7332d88c599bdedeff5f.png)
您最近一年使用:0次
真题
解题方法
9 . 设
为常数,且
.
(1)证明对任意
;
(2)假设对任意
,有
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f35f7dcce39f3d4dc6b7faf84dc1d0a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c6ad6e390596d22fb7e13402067d0c8.png)
(1)证明对任意
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/376e07b940161b91bc48d2d9984af567.png)
(2)假设对任意
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e167b43045b3297248e334c41c621b8f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7fd3e65f0f4bf3e5fb6570df7fb60510.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f35f7dcce39f3d4dc6b7faf84dc1d0a1.png)
您最近一年使用:0次
2022-11-09更新
|
756次组卷
|
4卷引用:2003 年普通高等学校招生考试数学(理)试题(天津卷)
2003 年普通高等学校招生考试数学(理)试题(天津卷)2003 年普通高等学校招生考试数学试题(广东卷)2003 年普通高等学校招生考试数学试题(辽宁卷)(已下线)专题1 数列的单调性 微点9 数列单调性的判断方法(九)——数列单调性的应用
真题
解题方法
10 . 设椭圆
的左、右焦点分别为
,
,A是椭圆上的一点,
,原点O到直线
的距离为
.
(1)证明
;
(2)求
使得下述命题成立:设圆
上任意点
处的切线交椭圆于
两点,则
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5df90497fae2eee9c7c8e7ce3c180d46.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/1b9798e82d9baaba782159f1ff0b954c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cabea664e61863b3b3279dbce607924e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a8af2c8284fa7d93d9e12d428ff9a4c.png)
(1)证明
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4037561c629fd07503c6803e1eb62fb6.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26f8e1cad7acd507f06b9e932b2e84cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa7de36c61b46411ca108be04d35267a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22962a2ad892cb6b14ab039a06e8cdc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/357e0872d9e98d662a780e7686de86ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31fbd58d7ab0d4c6a4a3e282beb8a1f5.png)
您最近一年使用:0次