解题方法
1 . 已知一菱形的边长为2,且较小内角等于
,以菱形的对角线所在直线为对称轴的椭圆C外接于该菱形.
(1)建立恰当的平面直角坐标系,求椭圆
的方程;
(2)已知椭圆
所在平面上的点
到椭圆
的长轴、短轴的距离依次是
,点
在椭圆
上,直线
与椭圆
的长轴所在直线的两个夹角相等.求直线
与菱形对角线的夹角的正切值;
(3)在(2)的条件下求
面积的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d5bca00fa20e6e80480b9d06d2e52ee.png)
(1)建立恰当的平面直角坐标系,求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)已知椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0ec627c5388651744be0c23c7d4d3ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/28a77aa6c27acfffcc601d9ca7e6d4c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
(3)在(2)的条件下求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab2a2834d80ff574e79eae8ca8d4e94f.png)
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解题方法
2 . 已知双曲线
的右焦点为
,
的两条渐近线分别与直线
交于
,
两点,且
的长度恰好等于点
到渐近线距离的
倍.
(1)求双曲线的离心率;
(2)已知过点
且斜率为1的直线
与双曲线交于
,
两点,
为坐标原点,若对于双曲线上任意一点
,均存在实数
,
,使得
,试确定
,
的等量关系式.
![](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/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fa5d6092f598c7da4796f965e40525a.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/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7ffe8515ff6183c1c7775dc6f94bdb8.png)
(1)求双曲线的离心率;
(2)已知过点
![](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/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.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/df64046e91b047037f19e4032e3b6de3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1100379a4385b9ce064847bc21760adc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9909ded4aa86b799e374c53a11a3c09a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1100379a4385b9ce064847bc21760adc.png)
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3 . 已知曲线
:
,抛物线
:
,P为曲线
上一动点,Q为抛物线
上一动点,已知与两条曲线都相切的直线叫做这两条曲线的公切线,则以下说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12be206d66e65eb92ef08bad8cd8f71d.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/23f3ffe7abc59e2f65d827c8eab8d36a.png)
A.直线![]() ![]() ![]() ![]() |
B.曲线![]() ![]() |
C.![]() ![]() |
D.当![]() ![]() |
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解题方法
4 . 已知圆
:
与圆
:
,点A,B圆
上,且
,线段AB的中点为D,则直线OD(O为坐标原点)被圆
截得的弦长的取值范围是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20c560968a9e9443bec3accf223c1974.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/331b843ef4e836dc729ca38b2aaefdf4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/699fc9b7e879af4866aaa07848dfb423.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
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2022-12-22更新
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云南省名校联盟2023届高三上学期12月份联合考试数学试题湖北省部分学校2022-2023学年高三上学期12月联考数学试题吉林省部分学校2022-2023学年高三上学期12月大联考数学试题(已下线)专题1 直线与圆的位置关系【练】(压轴小题大全)广东省2022-2023学年高二上学期12月质量检测联考数学试题山东省2022-2023学年高二上学期12月质量检测联合调考数学试题山东省济宁市邹城市2022-2023学年高二上学期期末数学试题(已下线)特训01 期末选填题汇编(第1-4章,精选60道)-2023-2024学年高二数学《重难点题型·高分突破》(人教A版2019选择性必修第二册)
名校
解题方法
5 . 已知数列
满足
,满足
,
,则下列成立的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4be2164a2c67d6163faee87a10942bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5cac5ff26bdfa2c6df6d5c006246eb0e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1a2df2b89e6fe9da4e1987ac50d2c1b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a9bb8c4169cc8c81c23f1d7d1c70b03.png)
A.![]() | B.![]() |
C.![]() | D.以上均有可能 |
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6 . 已知函数
的最小正周期为
,若
在
上的最大值为
,则
的最小值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4bf9ae683ca06804c5afa9a964f705b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86ebba6ed1add0fe647c0226614b9290.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d09a2b7c019dae83e027830b82b3ee8d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de694144e7993d8a34e6c5d98664d031.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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7 . 已知函数
.
(1)讨论
的单调性;
(2)证明:
.注:
为自然对数的底数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/068132ef9604287c220c731012efec01.png)
(1)讨论
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6f2df1570205c3018e8562cce8a3f57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9405dfcca25b76af059fb4c308983eae.png)
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2020-05-22更新
|
560次组卷
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云南省玉溪市2019-2020学年高三第二次教学质量检测数学(理)试题(已下线)专题21 函数与导数综合-2020年高考数学(理)母题题源解密(全国Ⅲ专版)江西省赣州市十五县(市)2019-2020学年高二下学期期中联考数学(理)试题
解题方法
8 . 已知椭圆
的中心为坐标原点
,焦点在
轴上,离心率为
,
分别为椭圆
的左、右焦点,点
在椭圆
上,以线段
为直径的圆经过点
,线段
与
轴交于点
,且
.
(1)求椭圆
的方程;
(2)设动直线
与椭圆
交于
两点,且
.求证:动直线
与
圆相切.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/860884c0017c8bceb5b0edff796c144f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c38928a92bc4b44ed3c9b89769f5372.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/643ef7d761de0e794fc39937dc72ac6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da01a3abe1c9dc4e6283afa0dc1a0d39.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05f2188d99b44972f1e13d3a339ee5c7.png)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
(2)设动直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6670479a0083dd2dfd5ad55b47b1ab6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc2abe13e2d4176f55f71677bbbb6eb4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2845cff59808d0945644a6c867e40740.png)
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9 . 已知平行四边形
的面积为
,
,
为线段
的中点.若
为线段
上的一点,且
,则
的最小值为___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/604d037b88148502a5608e0285c76f35.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71e90f9f4e44173888a54c624852064a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e284edfc390b322d0104817bd9aaa992.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8f8340f920decb68b1c4a1fa99488c8.png)
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|
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解题方法
10 . 函数
与
的图象上存在关于直线
对称的点,则
的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22013f129a1093f0276d812c3267c871.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4abdb0052a30184ec7bdc7e4fbd3922c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d77f5191798242b7b9b88a75e17e4425.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2020-04-15更新
|
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9卷引用:云南民族大学附属中学2022届高三高考押题卷二数学(理)试题
云南民族大学附属中学2022届高三高考押题卷二数学(理)试题2020届四川省广安市高三第二次诊断性考试试题文科数学试题2020届四川省眉山市高三第三次诊断性考试数学(文)试题2020届四川省资阳高三三诊数学(文科)试题2020届四川省遂宁市高三二诊数学(文)试题(已下线)第八篇函数图像03—2020年高考数学选填题专项测试(文理通用)山东省济南市实验中学2021-2022学年高三上学期10月月考数学试题(已下线)专题2-1 函数性质及其应用(讲+练)-3河南省鹤壁市2024届高三上学期第二次模拟考试数学试题