解题方法
1 . 如图,
为坐标原点,
为抛物线
的焦点,过
的直线交抛物线于
两点,直线
交抛物线的准线于点
,设抛物线在
点处的切线为
.
与
轴的交点为
,求证:
;
(2)过点
作
的垂线与直线
交于点
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b072ff6d1b83232bebd7d4709ffba4ef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2c3d2cba96f6f03520c0b3f6e4da03e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](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/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab2e095298cfb23d9f47811556fc9f9a.png)
(2)过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2c3d2cba96f6f03520c0b3f6e4da03e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa3eae6aa7672b9eef122fb7a1dab14e.png)
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2024-03-13更新
|
1617次组卷
|
5卷引用:四川省成都市教育科学研究院附属中学2023-2024学年高三下学期4月综合测试数学(理科)试题
四川省成都市教育科学研究院附属中学2023-2024学年高三下学期4月综合测试数学(理科)试题湖北省七市州2024届高三下学期3月联合统一调研测试数学试题山东省潍坊市昌乐北大公学学校2024届高三下学期3月监测数学试题(已下线)湖北省七市州2024届高三下学期3月联合统一调研测试数学试题变式题16-19甘肃省兰州市2024届高三下学期三模数学试题
名校
解题方法
2 . 已知椭圆
:
的长轴长为4,A,B是其左、右顶点,M是椭圆上异于A,B的动点,且
.
(1)求椭圆
的方程;
(2)若P为直线
上一点,
,
分别与椭圆交于C,D两点.证明:直线
过椭圆右焦点
.
![](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/52e870d323a62a728a87efd0d58a6604.png)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)若P为直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f23d29646155e27b172ecdf263e2d702.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd33764ff4efddfe11a98a609753715c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2be49c37e30a3ced0364c3e74d8c687.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
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3 . 已知
为平面四边形
内一点,数列
满足
,当
时,恒有
,
,
相交于点
,且
,设数列
的前
项和为
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/614306cc3f34bdee4d5d885b79667645.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86fc336b4a83bf6d66c4afcc431597f8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0704f453b2de48d36911f7db496bbf82.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d8dc608f22b14cbe72847e8aa8137d1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4695ef2ef8930aa9e515db3efb3411e2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/614306cc3f34bdee4d5d885b79667645.png)
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4 . 以坐标原点为对称中心,坐标轴为对称轴的椭圆过点
.
(1)求椭圆的方程.
(2)设
是椭圆上一点(异于
),直线
与
轴分别交于
两点.证明在
轴上存在两点
,使得
是定值,并求此定值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e3b351f66cf98455d42660520b5ff0c.png)
(1)求椭圆的方程.
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39acab3cfb59bfc9591371721ab01d93.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24e7344dca1e40bf072371ddd5640111.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7789a500686c7a73770404ead6af0590.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/faf9f7adfb1276af4d84ce859e6b4247.png)
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2023-10-19更新
|
992次组卷
|
5卷引用:四川省部分名校2023-2024学年高三上学期10月联考文科数学试题
5 . 已知抛物线
的焦点为
,圆
与
交于
两点,其中点
在第一象限,点
在直线
上运动,记
.
①当
时,有
;
②当
时,有
;
③
可能是等腰直角三角形;
其中命题中正确的有__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6fa2c731aaa4005382d5b4324e29fbb0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56648a303009f944e1a9983c3f62c7b6.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/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/639c3d2ff5ee566fcc1b69c65712a661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5bbc161cf1578e0c4971ec8fac62bbe2.png)
①当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4990b135057293a0111b78fc068fa13b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/50145f327f2e657a96b1c0362c88a012.png)
②当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90680329d32003f001a232230afcfdeb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1d99ddb507b59edc658f634384a4c41.png)
③
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1ed4c4e8edbd179f3fc38a6653f18c1.png)
其中命题中正确的有
您最近一年使用:0次
2023-01-13更新
|
802次组卷
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4卷引用:四川省绵阳市南山中学实验学校2024届高三上学期12月月考数学(理)试题
6 . 如图,在平行四边形
中,点
是
的中点,点
为线段
上的一动点,若
,且
,
,则
的最大值为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/4/b094122b-49e5-4bb5-9bc0-3974dd915a73.png?resizew=177)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2263a304d057d6d4a1f9817aa9d1b55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d561442faf959b561a8b6b46f831bcd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/061813f1ec633c5c4c393c4de7938322.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ab1171ac6b05d8fa0bcfb6a01a78064.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/4/b094122b-49e5-4bb5-9bc0-3974dd915a73.png?resizew=177)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
21-22高一·全国·假期作业
名校
解题方法
7 . 已知正方形
的边长为
,对角线
、
相交于点
,动点
满足
,若
,其中
、
.则
的最大值为 __ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af7a87d45d4d38169c7e65597802ddbd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48b1ef4380f9fa0344d04c4b5645b299.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3276b5e12396fc4753eb3f8254f9fa68.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ced6a5bb3d7fe7b60f1a70088d75705.png)
您最近一年使用:0次
2022-06-18更新
|
793次组卷
|
4卷引用:四川省成都经济技术开发区实验中学校2023-2024学年高三上学期10月月考文科数学试题
四川省成都经济技术开发区实验中学校2023-2024学年高三上学期10月月考文科数学试题江西省宜春市丰城中学2023届高三上学期期中考试数学(文)试题(已下线)第03练 平面向量的基本定理及坐标表示-2022年【暑假分层作业】高一数学(人教A版2019必修第二册)(已下线)专题01 平面向量压轴题(1)-【常考压轴题】
名校
8 . 设
是函数
的图象上一点,向量
,
,且满足
.数列
是公差不为0的等差数列,若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a004bc7c90ab090e76a37d3a4c58fb3.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/28965097a2c8f6872accc5ba80f44dfd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09b29a7faa14a6e09d0db2d04f4ced03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f2f5bb1161245a35e71550e47c0d7381.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b8220d23435ab647323929b0a3be6d1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66d76ee2e81f447f84a3e0b39c0388ef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4be2164a2c67d6163faee87a10942bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/225aee47ccff773ab84ba7e28852629a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a004bc7c90ab090e76a37d3a4c58fb3.png)
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2022-01-09更新
|
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2卷引用:四川省成都市石室中学2021-2022学年高三上学期专家联测卷(一)数学(文)试题
名校
解题方法
9 . 已知双曲线
的右顶点、右焦点分别为A,
,过点A的直线
与
的一条渐近线交于点
,直线
与
的一个交点为B,若
,且
,则
的离心率为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a2cfa22139b3e9c9a73500e1ba19f52.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.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/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b8db072e2b6104671b82f948012fb45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be942cac465c2ad229f5d4e9b663d878.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85feaf57d64d149e19b78dce8e1dccac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
A.2 | B.![]() | C.![]() | D.![]() |
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2021-04-24更新
|
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7卷引用:四川省绵阳市南山中学实验学校2024届高三上学期1月月考数学(理)试题
四川省绵阳市南山中学实验学校2024届高三上学期1月月考数学(理)试题全国卷地区(老高考)2021届高三下学期4月冲刺联考理科数学试题(已下线)专题5.1 求解曲线的离心率的值或范围问题-玩转压轴题,进军满分之2021高考数学选择题填空题河北省衡水中学2022届高三上学期五调数学试题重庆市第八中学2022届高三下学期调研检测(三)数学试题河南省顶尖名校2021-2022学年高三下学期第二次素养调研理科数学试题天津市南开中学2023届高三统练24数学试题
2011·四川成都·一模
解题方法
10 . 如图,在直角梯形
中,
,
,
,
,动点
在以点
为圆心,且与直线
相切的圆上或圆内移动,设
,则
取值范围是__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9060f03b9ee41d70d135b1e1a8902ce9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcd8e727e4efc22b49649f71ae9c9d84.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8b09f34fb06ae90a8d7b1a25ea01645.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcd0ced286a0fbc7e4862f8147264277.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/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d037ef1680690b80264c9f4d62ff8a67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/febf7413b35cf2889fdb57a6b519087c.png)
您最近一年使用:0次
2023-05-25更新
|
737次组卷
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8卷引用:2011届四川省成都市石室中学高三三诊模拟考试理科数学
(已下线)2011届四川省成都市石室中学高三三诊模拟考试理科数学(已下线)2011届海南省海口市高三下学期高考调研考试理科数学(已下线)2012届河南省洛阳市示范高中高三下学期联考理科数学试卷(已下线)2014届江西省宜春市高三考前模拟理科数学试卷(已下线)微点1 平面向量等和线定理及其应用(一)(2)(已下线)专题突破卷14 平面向量的最值范围问题(已下线)模型3 巧用“等和线定理”模型(高中数学模型大归纳)(已下线)微专题02 平面向量的基本定理(1)-【微专题】2022-2023学年高一数学常考点微专题提分精练(人教A版2019必修第二册)