1 . 定义:在一个有穷数列的每相邻两项之间插入这两项的和,形成新的数列,我们把这样的操作称为该数列的一次“和扩充”,例如:数列
经过第一次“和扩充”后得到数列
;第二次“和扩充”后得到数列
.设数列
经过
次“和扩充”后得到的数列的项数为
,所有项的和为
.
(1)若
,求
;
(2)求不等式
的解集;
(3)是否存在数列
,使得数列
为等比数列?请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/680e9ef551b325387ab31dca1f893705.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa2d5ffc86bda25b7fd377267ae3e7df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef1d5a07307b7d2603995105ab2490f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76f0649064a085fb74c997fb507a9b6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf83e20035c3afd6d26ebfd53d768a70.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f33d09c34e89bc99fbeb30bac80d4f90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a642ed9870f81d906816bc0db3d621c.png)
(2)求不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4dcd08431daac10be93e6fafbc5d4a90.png)
(3)是否存在数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/863d3bc9596595b16499a46479526680.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/846fa57d92d6ad44d6a0cafad1e71ed4.png)
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名校
解题方法
2 . 已知函数
.
(1)当
时,求
的最值;
(2)当
时,关于
的不等式
有解,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7b28b21dbae9edb360ea96c1edb96e6.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/691c1fc50ea793ea08748cb75bae70e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e74fc7479e44217bfa27dbd75992b51.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dbf755154fdddb396e7ed1a2352f1911.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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3 . 在平面直角坐标系
中,动点
(
)与定点
的距离和
到直线
:
的距离之比是常数
.
(1)求动点
的轨迹方程;
(2)记动点
的轨迹为曲线
,过点
的直线
与曲线
交于
两点,直线
与曲线
的另一个交点为
.
(i)求
的值;
(ii)记
面积为
,
面积为
,
面积为
,试问
是否为定值,若是,求出该定值;若不是,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aee82283f06cedef32eb15b87964f5d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63309dbc3612815f6dbdee23d9a10adc.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/3d599059e6b2c918ab15ee22611b6962.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18483c9c195ecd922772527fa85c0fcb.png)
(1)求动点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
(2)记动点
![](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/a25fe3ff55350310998d3d4f0048b45a.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/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/274cf35acb4a1748d15c39d15a9bea7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
(i)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b53095716c043abb9dd391b3f6e17830.png)
(ii)记
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3fe95f656b98b53f71a9d72bf0c9a4b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e097c8d4c948de063796bd19f85b3a9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7783506c9069a5b3c88597a9c8b2f9e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e0bd63f55069a3bc870915010b39225.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/307569acb68c533e026a1f09c6328833.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6899bf9cadae2ccdb14cbc87d4f280ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ddfea610328ce7f943de71550c743e1.png)
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2024-05-27更新
|
874次组卷
|
2卷引用:甘肃省兰州市第五十八中学2024届高三第二次高考仿真考试数学试题
名校
解题方法
4 . 已知双曲线
的右焦点为F,左、右顶点分别为M,N,点
是E上一点,且直线PM,PN的斜率之积为
.
(1)求
的值;
(2)过F且斜率为1的直线l交E于A,B两点,O为坐标原点,C为E上一点,满足
,
的面积为
,求E的方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ef66f4832adc43902055a7e6d258037.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0aa6ab62d5af32aa8686c5233ffda499.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3ffd5c35bba71ea54c28622b6cf505d.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c6ce02259a85ea191541f4a708738f1.png)
(2)过F且斜率为1的直线l交E于A,B两点,O为坐标原点,C为E上一点,满足
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/914663491e35a2f9f333b0e70594bf0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e609d7f5a3b904e30f43fbbc26033d7.png)
您最近一年使用:0次
2024-05-22更新
|
257次组卷
|
2卷引用:甘肃省武威第六中学2023-2024学年高三下学期第五次诊断数学试卷
解题方法
5 . 曲线的曲率是描述几何弯曲程度的量,曲率越大,曲线的弯曲程度越大.曲线在点M处的曲率
(其中
表示函数
在点M处的导数,
表示导函数
在点M处的导数).在曲线
上点M处的法线(过该点且垂直于该点处的切线的直线为曲线在此处的法线)指向曲线凹的一侧上取一点D,使得
,则称以D为圆心,以
为半径的圆为曲线在M处的曲率圆,因为此曲率圆与曲线弧度密切程度非常好,且再没有圆能介于此圆与曲线之间而与曲线相切,所以又称此圆为曲线在此处的密切圆.
在点
处的曲率,并在曲线
的图象上找一个点E,使曲线
在点E处的曲率与曲线
在点
处的曲率相同;
(2)若要在曲线
上支凹侧放置圆
使其能在
处与曲线
相切且半径最大,求圆
的方程;
(3)在(2)的条件下,在圆
上任取一点P,曲线
上任取关于原点对称的两点A,B,求
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1992f681163b2b8d1fe2df9280225f71.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b4d2174f411d9db6ab7b2aea47818cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc2b6c6aec8cfad1ce0277d6db9759c3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a4b04824a308519a61318a82aa97a05.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67466ba0dcffc70b783b0e1030f4d049.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/171102a883b22fe6ca578efc8926f5b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4cbb734664b496f232b86d053650bb85.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc58793b423b62b234768d0cb8be55e4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/309092c6a1d81679c24dc598af8d6567.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc58793b423b62b234768d0cb8be55e4.png)
(2)若要在曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4cbb734664b496f232b86d053650bb85.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab94459e87c666facddbe1a23ae1899d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc58793b423b62b234768d0cb8be55e4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab94459e87c666facddbe1a23ae1899d.png)
(3)在(2)的条件下,在圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab94459e87c666facddbe1a23ae1899d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59880e470359d8e9faf6ae5ce155cf2a.png)
您最近一年使用:0次
2024-05-14更新
|
417次组卷
|
2卷引用:甘肃省2024届高三下学期4月月考数学试卷
解题方法
6 . 对于数集
,其中
,
.定义向量集
.若对于任意
,存在
,使得
,则称
具有性质
.定义向量集
的子集
,若存在不相等的向量
,
,使得
,且
具有性质
,则称
为“向量伴随数集”.
(1)已知数集
,请你写出数集
对应的向量集
,并验证
是否具有性质
;
(2)已知数集
,请你写出数集
对应的向量集
,并验证
是否具有性质
;
(3)若
,且
具有性质
,写出
的值(不需要写出解析过程),并说明
是否为“向量伴随数集”.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4622c700325a90d453e6300b886a8e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0bc1a0bba5e6e8ddf6f1f60f78e6490.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e167b43045b3297248e334c41c621b8f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a06afe8164aec980706619a76d95a94.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eec1c65f144bd63ed516e001e57852de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f923fcc615e579b8dda937faa9fa40c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01243e3fb9bd7a7711a593f5395b06cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f022950e0faa45b617d497b01b5292b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bcd8ee2d8367c167d6ae0abc741b6b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a829fdd8ec0f3b7ede883cf2c3e53b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c81b7fb5dd67b43f4f736b55b613bd9c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d344174267f996c7cefecfd6985d380.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7f7c2c3542cb509aa5e6ebc25c3f760.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31de844c7625d3b7de01abfcd0ea09fd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f022950e0faa45b617d497b01b5292b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bcd8ee2d8367c167d6ae0abc741b6b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f022950e0faa45b617d497b01b5292b9.png)
(1)已知数集
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf924cf5dacb13f5373cdda07934ded2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/096b1ece1dcd29c59a46a4b3e02cb548.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/351bb3f3c54604330fa5b6c2bc3a7502.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/096b1ece1dcd29c59a46a4b3e02cb548.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bcd8ee2d8367c167d6ae0abc741b6b8.png)
(2)已知数集
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7cfe811d59fa7d0ae36515495bcc495.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5031a3a951c4a1d1c5e9f80a5e26513.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/177b7f56650f15cdcabd287ee39554d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5031a3a951c4a1d1c5e9f80a5e26513.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bcd8ee2d8367c167d6ae0abc741b6b8.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/226930767b46a7d01130d711c4f63479.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/105ed89795469b32ec6b9a5e1ffe8233.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bcd8ee2d8367c167d6ae0abc741b6b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a1bbb0a939ec3c2d0414c2351f93ae5f.png)
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名校
7 . 已知函数
.
(1)求曲线
在
处的切线
与坐标轴围成的三角形的周长;
(2)若函数
的图象上任意一点
关于直线
的对称点
都在函数
的图象上,且存在
,使
成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ff6838d84b68c6f0d3b93b196d9b08d.png)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb45f673c56a289ea78831c9237e8d20.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](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/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18d31d07e0e178dd81de9ab409d9475e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e381480e5aaf1b77913c773a0db0c37b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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2024-04-30更新
|
917次组卷
|
4卷引用:甘肃省白银市靖远县第四中学2024届高三下学期模拟预测数学试题
甘肃省白银市靖远县第四中学2024届高三下学期模拟预测数学试题河北省部分高中2024届高三下学期二模考试数学试题(已下线)2024年普通高等学校招生全国统一考试数学押题卷(一)宁夏银川市唐徕中学2024届高三下学期第四次模拟理科数学试题
名校
8 . 已知函数
.
(1)讨论
的单调性;
(2)当
时,
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f2928282221524b127853bf213f0edb.png)
(1)讨论
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b27f27cbb8185c1974d715ff95f8801c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f807fee838f843e37f0e31a680ed2cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
名校
解题方法
9 . 双曲线
上一点
到左、右焦点的距离之差为6,
(1)求双曲线
的方程,
(2)已知
,过点
的直线
与
交于
(异于
)两点,直线
与
交于点
,试问点
到直线
的距离是否为定值?若是,求出该定值;若不是,请说明理由,
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83bf4fd84818abac17a9d21237ac5ce5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b9b445242927a1bf30cb82a763af275.png)
(1)求双曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b3c9967968279271d8cf1f9444c0ac1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b569572c8d9bf05d78d3ab741e68bb2.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/7789a500686c7a73770404ead6af0590.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b66a5b7813e902306477f91f9f4084cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/279563c3c055777ce1aa369a2ef54aed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/639c3d2ff5ee566fcc1b69c65712a661.png)
您最近一年使用:0次
2024-04-12更新
|
2172次组卷
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8卷引用:甘肃省定西市2023-2024学年高三下学期教学质量统一检测数学试题
名校
解题方法
10 . 已知双曲线
与双曲线
的渐近线相同,且M 经过点 ![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ace9fcc08faacf15593012ec13916374.png)
的焦距为4.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/15/f427b0cb-5844-4b12-9df7-2a90b8cd59ce.png?resizew=164)
(1)求M 和
的方程;
(2)如图,过点 T(0,1)的直线 l(斜率大于0)与双曲线 M 和 N 的左、右两支依次相交于A,B,C,D,若
求直线 l的方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31380cee127ebeb85e866d355fc1eca7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0c97cdfbccfac205f7b826a73d3579a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ace9fcc08faacf15593012ec13916374.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/15/f427b0cb-5844-4b12-9df7-2a90b8cd59ce.png?resizew=164)
(1)求M 和
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
(2)如图,过点 T(0,1)的直线 l(斜率大于0)与双曲线 M 和 N 的左、右两支依次相交于A,B,C,D,若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/643adde2c8f41e319097b20af7e2f578.png)
您最近一年使用:0次
2024-03-24更新
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607次组卷
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2卷引用:甘肃省陇南市部分学校2024届高三一模联考数学试题