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已知F1、F2是椭圆的两个焦点,满足•=0的点M总在椭圆内部,则椭圆离心率的取值...
已知F
1、F
2是椭圆的两个焦点,满足
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131103101936722280625/SYS201311031019367222806011_ST/0.png)
•
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131103101936722280625/SYS201311031019367222806011_ST/1.png)
=0的点M总在椭圆内部,则椭圆离心率的取值范围是( )
A.(0,1)
B.(0,
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]
C.(0,
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131103101936722280625/SYS201311031019367222806011_ST/3.png)
)
D.[
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,1)
考点分析:
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![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131103101936722280625/SYS201311031019367222806006_ST/0.png)
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