名校
解题方法
1 . 已知椭圆![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2763a18fcd101f39758f54da1331eda4.png)
与双曲线![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9767d635bfd3452511dd232e22aa43e.png)
的焦点相同,右焦点为
.若
与
的离心率分别为
和
,点
为
的右支与
的一个交点,且
,则
的值为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2763a18fcd101f39758f54da1331eda4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2cec57b5733f713956cbb0684ce4622.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9767d635bfd3452511dd232e22aa43e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a493086663ca056c6e3aa99d60839ac6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7294f5ae2a24ff42e84cd9773b2a7287.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d599cb4a589f90b0205f24c2e1fa021e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.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/773d8445183023b3c46c90f60862be9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77d4f00798c1e22e06bfd0dd876ce43f.png)
A.0 | B.4 | C.8 | D.12 |
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