解题方法
1 . 已知曲线
,点
在椭圆
上(
与左右顶点不重合),直线
、
斜率之积为
.
(1)求
的方程;
(2)已知直线
与
交于
两点,且与圆
相切于点
,直线
与
相交于
两点,记四边形
的面积为
的面积为
,
①用含
的式子表示
;
②求
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895a3bcd24c4e58c7fd01bd419287e8e.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/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/800c5e266b4ad8462a46970f0a232d52.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f46b053f98b1d05a2043e94eeaefea87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f30d314a642667fef559032264647366.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
(2)已知直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2fc5bd66dd6d5e09ff0893a938aed56e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/560adea7b0d4fbe4131fc41f3fcbd871.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aaf3369e0ea90e8d5cf4b6b3c45c0fd8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39acab3cfb59bfc9591371721ab01d93.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/848cbbbc331ffbd585cf03ebc0ea19d7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e0bd63f55069a3bc870915010b39225.png)
①用含
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d952fab31ffff77125c858be30a541e.png)
②求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d952fab31ffff77125c858be30a541e.png)
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2 . 过双曲线
的右焦点作渐近线的垂线,垂足为
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a21c7238d25c832d3dffd6cd0b289a2.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c477e5ade921ffa8377c4719319380ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73465a1f9aa03481295bf6bd3c6903ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a21c7238d25c832d3dffd6cd0b289a2.png)
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解题方法
3 . 若
,则
最小值是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe9e329f2730b2be926b121f1ae04c0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2214ef58a74d1ae91d14f052a30177f.png)
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4 . 在
中,AD为
的平分线,
,若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9f63d194aa0d4091618b6f41f569ee2.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7cbce11aa19b8bd2bf6ee5a834e005de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc634568414ea7401ad7f0128ee822cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d09a9a6f020159406608000cf93d4fa9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9f63d194aa0d4091618b6f41f569ee2.png)
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解题方法
5 . 已知命题
在
内单调递增;命题
:关于
的不等式
对任意实数
恒成立.
(1)若
为真命题,求实数
的取值范围.
(2)若
为真命题,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e9222af8b2091aa600f08af05135b91.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/caf87d9d48c3de0a5e9f1a70e51a0bef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa8a41d6f16f84136233eb87a48d58cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e29e70dc0bc2a9cf1a5feb67d439566.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
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解题方法
6 . 已知
.
(1)若
,求
的值.
(2)若
,且
、
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb8cea1a019225baa966bf16c10e0719.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee57c3926fb6270949209069db695e67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07560f8981f8a6fb2c7ce36f0df1b5af.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79fe35315a44a998f6969a475453e0cc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/481e744af0f65e797a35d976c20f2dac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1db796b223b35e52aa7b4114da8072f5.png)
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7 . 已知
,且
是
的充分条件,则实数
可以是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf42675db6874c52d7177747379c5568.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.3 | B.1 | C.![]() | D.![]() |
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解题方法
8 . 已知函数
为定义在
的增函数,且满足
.若关于
的不等式
恒成立,则实数a的取值范围为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/870ebc2f7aabb028024894568d749934.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a26a5485711386aa0cc3a06cc480656.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80e98fcec27c163a349de58be5db9c28.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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9 . 已知
,且
.若
在
处的切线与直线
垂直,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9848a2cb207507d3d994da024bb2d8c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b26993c438dae791f19487ef75b6619.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5bea9227dd0104da58e0c40952cc87ed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd343a0297326fe9346ddb72a649e466.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/892560dcff6af9f66a3f735652f69dd7.png)
A.![]() | B.![]() | C.![]() | D.0 |
您最近一年使用:0次
2023-12-11更新
|
743次组卷
|
5卷引用:江西省丰城市第九中学2021-2022学年高二上学期期末数学(理)试题
江西省丰城市第九中学2021-2022学年高二上学期期末数学(理)试题(已下线)专题02 导数的运算(十大考点)-【寒假自学课】2024年高二数学寒假提升学与练(人教A版2019)(已下线)2.2 导数的概念及其几何意义3种常见考法归类-【帮课堂】2023-2024学年高二数学同步学与练(北师大版2019选择性必修第二册)四川省眉山市仁寿县2023-2024学年高二下学期第一次教学质量监测(期中)数学试题(已下线)北师大版高二模块三专题1第3套小题进阶提升练
名校
解题方法
10 . 若一组数据
的方差为10,则另一组数据
的方差为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11685d0ecb1ed785547018cde2cd4cc5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b79e57fea256031b3054089dcec32119.png)
您最近一年使用:0次
2023-12-11更新
|
869次组卷
|
4卷引用:江西省丰城市第九中学2021-2022学年高二上学期期末数学(理)试题
江西省丰城市第九中学2021-2022学年高二上学期期末数学(理)试题四川省绵阳市三台中学校2024届高三上学期第四次月考数学(理)试题(已下线)第九章 统计(知识归纳+题型突破)(2) -单元速记·巧练(人教A版2019必修第二册)(已下线)14.4 用样本估计总体(1)-【帮课堂】(苏教版2019必修第二册)