13-14高二下·山东济宁·期中
名校
解题方法
1 . 已知椭圆
的右焦点为
,左焦点为
,若椭圆上存在一点P,满足线段
相切于以椭圆的短轴为直径的圆,切点为线段
的中点,则该椭圆的离心率为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48da128547c4cf9745e8e4b99988a3db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ac86e1c253297a377e14fb9a1689be8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ac86e1c253297a377e14fb9a1689be8.png)
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2016-12-04更新
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16卷引用:2013-2014学年山东省济宁邹城二中高二下学期期中检测文科数学试卷
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13-14高二上·山东济宁·期中
解题方法
2 . 已知椭圆
与双曲线
有共同的焦点
,
,椭圆的一个短轴端点为
,直线
与双曲线的一条渐近线平行,椭圆
与双曲线
的离心率分别为
,则
取值范围为
![](https://img.xkw.com/dksih/QBM/2013/9/22/1571359684829184/1571359690424320/STEM/0636afc3f7d941f39f996a802cbde050.png)
![](https://img.xkw.com/dksih/QBM/2013/9/22/1571359684829184/1571359690424320/STEM/22d69a5fb3574f8d8a07f682bb155fcf.png)
![](https://img.xkw.com/dksih/QBM/2013/9/22/1571359684829184/1571359690424320/STEM/ae1f6a8a76d54d34bcb03593d65a424c.png)
![](https://img.xkw.com/dksih/QBM/2013/9/22/1571359684829184/1571359690424320/STEM/8ee8bf25e11b422db600b444ebe0d3fa.png)
![](https://img.xkw.com/dksih/QBM/2013/9/22/1571359684829184/1571359690424320/STEM/262ac956dceb44f9b79123e06ae29ba9.png)
![](https://img.xkw.com/dksih/QBM/2013/9/22/1571359684829184/1571359690424320/STEM/95096cdd2f274328b3124cc651b2190f.png)
![](https://img.xkw.com/dksih/QBM/2013/9/22/1571359684829184/1571359690424320/STEM/0636afc3f7d941f39f996a802cbde050.png)
![](https://img.xkw.com/dksih/QBM/2013/9/22/1571359684829184/1571359690424320/STEM/22d69a5fb3574f8d8a07f682bb155fcf.png)
![](https://img.xkw.com/dksih/QBM/2013/9/22/1571359684829184/1571359690424320/STEM/c4aae1b37017449b81b57e376920326b.png)
![](https://img.xkw.com/dksih/QBM/2013/9/22/1571359684829184/1571359690424320/STEM/1c6b1af7ae62495c8107560df84f4ad9.png)
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12-13高二上·山东济宁·期中
3 . 如图所示,椭圆
、
与双曲线
、
的离心率分别是
、
与
、
, 则
、
、
、
的大小关系是
![](https://img.xkw.com/dksih/QBM/2013/3/21/1571155320913920/1571155325952000/STEM/042d289e8e9841889584906c5739b66b.png)
![](https://img.xkw.com/dksih/QBM/2013/3/21/1571155320913920/1571155325952000/STEM/4caf281eea1a412c89a336d500a6dbf1.png)
![](https://img.xkw.com/dksih/QBM/2013/3/21/1571155320913920/1571155325952000/STEM/1a9fb2a09bb94ca5b4c4d1c2a3b08863.png)
![](https://img.xkw.com/dksih/QBM/2013/3/21/1571155320913920/1571155325952000/STEM/6d5f6a41651142d3bb158aa77b95fce7.png)
![](https://img.xkw.com/dksih/QBM/2013/3/21/1571155320913920/1571155325952000/STEM/3d9be1b910d14794a74b4ed8eed141bd.png)
![](https://img.xkw.com/dksih/QBM/2013/3/21/1571155320913920/1571155325952000/STEM/4234cdc98ecf4b5ba360551921689f02.png)
![](https://img.xkw.com/dksih/QBM/2013/3/21/1571155320913920/1571155325952000/STEM/12d360cff29e4cde91182a61c54bec5c.png)
![](https://img.xkw.com/dksih/QBM/2013/3/21/1571155320913920/1571155325952000/STEM/6f886334e68a4cff91ad3e133d5a6852.png)
![](https://img.xkw.com/dksih/QBM/2013/3/21/1571155320913920/1571155325952000/STEM/4fdb120a4a3f44379d9693d353098318.png)
![](https://img.xkw.com/dksih/QBM/2013/3/21/1571155320913920/1571155325952000/STEM/4234cdc98ecf4b5ba360551921689f02.png)
![](https://img.xkw.com/dksih/QBM/2013/3/21/1571155320913920/1571155325952000/STEM/12d360cff29e4cde91182a61c54bec5c.png)
![](https://img.xkw.com/dksih/QBM/2013/3/21/1571155320913920/1571155325952000/STEM/6f886334e68a4cff91ad3e133d5a6852.png)
![](https://img.xkw.com/dksih/QBM/2013/3/21/1571155320913920/1571155325952000/STEM/4fdb120a4a3f44379d9693d353098318.png)
![](https://img.xkw.com/dksih/QBM/2013/3/21/1571155320913920/1571155325952000/STEM/042d289e8e9841889584906c5739b66b.png)
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