名校
1 . 已知椭圆
,一个顶点为
,离心率为
,直线
与椭圆
交于不同的两点
两点.
(1)求椭圆
的方程;
(2)当
的面积为
时,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1497ffc1b18295b5f12c4a566a3285e2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/888a6b10db4d81e5d2ba969fb576bd78.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d5989c84e320b504511f23eeb6e7357.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5510207df7154e4f25fbe8722441313.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/720eca6dda7eecc59faa6c65f42e4618.png)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f1407e16443688949ac65941e871d64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0635e4c874dbfc825af0b2d570f5041.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
您最近一年使用:0次
2016-12-13更新
|
2080次组卷
|
5卷引用:四川省内江市威远中学2019-2020学年高二下学期第二次月考数学(理)试题
名校
2 . 已知命题
“存在
”,命题
:“曲线
表示焦点在
轴上的椭圆”,命题![](https://img.xkw.com/dksih/QBM/2016/4/29/1572609942790144/1572609948663808/STEM/17b92868c82940edb8b526fe0cb89f3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20f258e07e68b1c7ecdb7dd600015030.png)
(1)若“
且
”是真命题,求
的取值范围;
(2)若
是
的必要不充分条件,求
的取值范围.
![](https://img.xkw.com/dksih/QBM/2016/4/29/1572609942790144/1572609948663808/STEM/e6bf5be7f7b04abe9dec3feadeb27324.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10d601c257e005f424e75b9288da83cb.png)
![](https://img.xkw.com/dksih/QBM/2016/4/29/1572609942790144/1572609948663808/STEM/1e4c6695ca7e488bac8d6657bca16c28.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b65c628fddf5674ee463e44e7a3801fb.png)
![](https://img.xkw.com/dksih/QBM/2016/4/29/1572609942790144/1572609948663808/STEM/64de32ad66714eecbbb51f479268085c.png)
![](https://img.xkw.com/dksih/QBM/2016/4/29/1572609942790144/1572609948663808/STEM/17b92868c82940edb8b526fe0cb89f3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20f258e07e68b1c7ecdb7dd600015030.png)
(1)若“
![](https://img.xkw.com/dksih/QBM/2016/4/29/1572609942790144/1572609948663808/STEM/ae0ad7c5271942858d849121ef1a9644.png)
![](https://img.xkw.com/dksih/QBM/2016/4/29/1572609942790144/1572609948663808/STEM/1e4c6695ca7e488bac8d6657bca16c28.png)
![](https://img.xkw.com/dksih/QBM/2016/4/29/1572609942790144/1572609948663808/STEM/b8f8723c425a442db2ade148ffbbe166.png)
(2)若
![](https://img.xkw.com/dksih/QBM/2016/4/29/1572609942790144/1572609948663808/STEM/1e4c6695ca7e488bac8d6657bca16c28.png)
![](https://img.xkw.com/dksih/QBM/2016/4/29/1572609942790144/1572609948663808/STEM/5252df35a1e34c38acb3e3f30933af9f.png)
![](https://img.xkw.com/dksih/QBM/2016/4/29/1572609942790144/1572609948663808/STEM/f8d52c0d2b3e4bd2a1a747f20cae7cbf.png)
您最近一年使用:0次
2016-12-04更新
|
1092次组卷
|
7卷引用:四川省内江市威远中学2022-2023学年高二下学期第二次阶段性考试数学(理)试题
名校
3 . 已知椭圆
的两个焦点分别为
,以椭圆短轴为直径的圆经过点
.
(1)求椭圆
的方程;
(2)过点
的直线
与椭圆
相交于
两点,设点
,直线
的斜率分别为
,问
是否为定值?并证明你的结论.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dae13b2a96f91ab64fb4948de2b0ae10.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5a724be4277e56ec8a770623aaa745e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90fbad665fb13f72f65a071b9ea78318.png)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.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/7ae1567d8f98fabc1a3948f8602cc5e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c05526cb76b8ad1cd9ca14fb598e8c4b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0007b7a28aedee15e5f8388a15d1a7d1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dfe0ea445fc6b756b34b56a95e4d0381.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5117784d5f7629ba7d20788328e6a1cd.png)
您最近一年使用:0次
2016-12-03更新
|
1989次组卷
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18卷引用:四川省内江市威远中学2020-2021学年高三1月月考数学(文)试题
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