名校
解题方法
1 . 已知点
是抛物线
的焦点,
的两条切线交于点
是切点.
(1)若
,求直线
的方程;
(2)若点
在直线
上,记
的面积为
的面积为
,求
的最小值;
(3)证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1bb4dd4670828f75bc573b52cdd02e1d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9a51cfe6b1f93e8beab2a1391fa5b8a.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33c767183fcb90fd994f705fa0bebd33.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
(2)若点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c608def11fa0e2b34f05592ef1d11fd8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3bfbf105868ad7dca03b9663a01c3422.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c74b2b7a4048782fecb0126119bb5dd8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e0bd63f55069a3bc870915010b39225.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/884d40a97fd767e95f34f3b91ab8d84c.png)
(3)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df1e767d0df819ecd47359fee289efc3.png)
您最近一年使用:0次
2024-05-28更新
|
729次组卷
|
2卷引用:广东省广州市2024届普通高中毕业班综合测试(二)广州二模数学试卷
名校
解题方法
2 . 设抛物线C:
(
),直线l:
交C于A,B两点.过原点O作l的垂线,交直线
于点M.对任意
,直线AM,AB,BM的斜率成等差数列.
(1)求C的方程;
(2)若直线
,且
与C相切于点N,证明:
的面积不小于
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b35f0b940c8422ef47edc3b7ce55e47.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5abd313d4e92a762fb7fb0c1cb65263d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/02ebce8b2a915356ed39f36c5bad2ebe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1d0aa9412dd7caf42cc71520e282328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5aff8d9b6533ff319420cdc5e8740b04.png)
(1)求C的方程;
(2)若直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/edc05c94ee6367e5551b219ac3168865.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13dea1bd3d0dd84b8b6f6ff634c5600c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98013a5042685a1db94249e70c62c09a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95bacae35b6e16a0a33c2bdc6bc07df7.png)
您最近一年使用:0次
2024-05-26更新
|
3002次组卷
|
5卷引用:2024届广东省深圳市二模数学试题
2024届广东省深圳市二模数学试题(已下线)第30题 几何分析曲径通幽,代数推演水到渠成(优质好题一题多解)安徽省六安第一中学2023-2024学年高三下学期期末质量检测卷(二)数学试题(已下线)易错点8 圆锥曲线问题中未讨论直线斜率的特殊情况江西省南昌市八一中学2024届高三下学期三模测试数学试题
名校
3 . 已知向量
,且
与
的夹角为
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8e3430cc976da11493e693783796939.png)
(1)求证:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45c9abe1f8fb33024df04558987daf1f.png)
(2)若
,求
的值;
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10814bc3db929e79874befe96cf4e3d4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/786954a4502555f3455f4a41df1b0786.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36fe4e713c108e118522a99ecd683924.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ede7d953b17fc5153c45029218ecc83.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8e3430cc976da11493e693783796939.png)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45c9abe1f8fb33024df04558987daf1f.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b190b5fb977d012e536ce8cfe6e430a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
您最近一年使用:0次
解题方法
4 .
中,内角
、
、
的对边分别为
、
、
.
(1)若
,
,求
的值;
(2)求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.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/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bce63d75a4c61c71445e11097a44c46e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0f41cb252b9b4ed62594da3371a5c73.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2122e3f1e76a635e58e4d54aa594c552.png)
(2)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f6921026a422e9d91eddc311c4a5cdf.png)
您最近一年使用:0次
名校
解题方法
5 . 已知双曲线
(
,
)的左右顶点为
,
,双曲线上一动点
关于
轴的对称点为
,直线
与
的斜率之积为
.
的方程;
(2)设点
是直线
上的动点,直线
,
分别与曲线
交于不同于
,
的点
,
.
(ⅰ)证明:直线
过定点;
(ⅱ)过点
作
的垂线,垂足为
,求
最大时点
的纵坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c5c2e64358e0ec7aa142c336d970306.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/2375a27ead9549550676d4e6a2b47243.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f605a7fc2f1064fe14882ee426839db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23248e0ebb865b5f143e53338fd4faf5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a86380a6d6501f6504dcb4aa5e3099f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84d454c82d9e52747563d47b68099249.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cefbad5a2e9e1e812b54c5e972cf98d6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/602baac86c2b1668ecdfadc8a5948885.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)设点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.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/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/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
(ⅰ)证明:直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
(ⅱ)过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9cb34bb0aa3c17e1a8be158a969b72fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
您最近一年使用:0次
6 . 已知数列
满足
,
,设
,其中
.
(1)求证:数列
是等差数列;
(2)求数列
的前
项和
;
(3)设数列
的前
项和为
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b065334d8f60c49f4bd3d9f1373fe4cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4cb570b2e190d3a0fc98dd2ec3a7dd7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4bb3133b7ca679c841508e1f9431ff0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48f093c61867ee4ce75f951d46b9b123.png)
(1)求证:数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
(2)求数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13c0b04ff1a24b233372000a40ff868a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
(3)设数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19593d4d64894906920c3d10f3e2d9a6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1ae9a3b0b7aeb1545b65d91aa371b3c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3bb790434e3ddf0e34b72bf8f7634c7d.png)
您最近一年使用:0次
7 . 已知椭圆
.
(1)若点
在椭圆C上,证明:直线
与椭圆C相切;
(2)设曲线
的切线l与椭圆C交于
两点,且以
为切点的椭圆C的切线交于M点,求
面积的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb4402aeb853b22f20992156957ef0fd.png)
(1)若点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7775aa57ca0e62216f3039ed88dceed0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b7b5a74a10686910113e756e5add888.png)
(2)设曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b88b568e07e21bc32b1ba505d91b2083.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a11cb104b04c4e6a1be700e81da279a.png)
您最近一年使用:0次
名校
解题方法
8 . 双曲线C:
的离心率为
,点
在C上.
(1)求C的方程;
(2)设圆O:
上任意一点P处的切线交C于M、N两点,证明:以MN为直径的圆过定点.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3040b6c904477030ecf8ba20b2b18759.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7ffe8515ff6183c1c7775dc6f94bdb8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46529ee9b4550db1c12f187e1fbebde0.png)
(1)求C的方程;
(2)设圆O:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d61985901c2bc698d72ac88f4e1eb65.png)
您最近一年使用:0次
2024-05-17更新
|
519次组卷
|
3卷引用:广东省广州市广雅中学2024届高三下学期教学情况检测(二)数学试题
9 . 对给定的在定义域内连续且存在导函数的函数
,若对在
定义域内的给定常数
,存在数列
满足
在
的定义域内且
,且对
在区间
的图象上有且仅有在
一个点处的切线平行于
和
的连线,则称数列
为函数
的“
关联切线伴随数列”.
(1)若函数
,证明:
都存在“
关联切线伴随数列”;
(2)若函数
,数列
为函数
的“1关联切线伴随数列”,且
,求
的通项公式;
(3)若函数
,数列
为函数
的“
关联切线伴随数列”,记数列
的前
项和为
,证明:当
时,
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76aef4cdcb5af742ce28003b7b6c8c20.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e72adb45c60c2f63b46e65ff787302bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3c6c201ef006e571184386147529e95.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/62aff86e290c8874efbb4a7bc197da13.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99f3472211834b02fde7f1741b0e6de3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a462f40a65837da43de04d8b7630f25.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ba4f2dd0d53bd7024bf98cbfdcb9fd3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3301e5c2891c6d025ab66982e91c5875.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76aef4cdcb5af742ce28003b7b6c8c20.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(1)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c64ab61f03db328b8860ff20c6b9b51.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8bc07cb6fd30f25f0f8ca0dd7ef7919a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c501e683a4cf517c61f2aec4c990b187.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76aef4cdcb5af742ce28003b7b6c8c20.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b593315a098b5310825524dd1834af9e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cdd3ca60aab0148b2c3d0570c2195378.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76aef4cdcb5af742ce28003b7b6c8c20.png)
(3)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a4f62b56f3a05848417a247e5f0e200.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f329b217e1051b23f0d61023cdc6e69.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45c4de9fcfc43eed1df21b52d4896403.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f329b217e1051b23f0d61023cdc6e69.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/f915157c69267722e3cb47a7a2471ee8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dcda70ff15071f59a5fb53ba4b00bf76.png)
您最近一年使用:0次
名校
解题方法
10 . 已知函数
为其导函数.
(1)若
恒成立,求
的取值范围;
(2)若存在两个不同的正数
,使得
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07099f4609af494c8657ed5b421fb8a1.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e799e937076aa5a7dcd51cdc0f40f6b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)若存在两个不同的正数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ce7ae90d808f05e86ea063238e4b2f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/859458471c86ae39e0cc42d2d960d03e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/241dae1c84edcc70bcc02224fe8b2b50.png)
您最近一年使用:0次
2024-05-14更新
|
631次组卷
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5卷引用:广东省江门市鹤山市第一中学2023-2024学年高二下学期第二阶段考试(5月)数学试题
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