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设椭圆的两个焦点分别为F1、、F2,过F2作椭圆长轴的垂线交椭圆于点P,若△F1...
设椭圆的两个焦点分别为F
1、、F
2,过F
2作椭圆长轴的垂线交椭圆于点P,若△F
1PF
2为等腰直角三角形,则椭圆的离心率是( )
A.
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131101225142569338281/SYS201311012251425693382004_ST/0.png)
B.
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131101225142569338281/SYS201311012251425693382004_ST/1.png)
C.
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131101225142569338281/SYS201311012251425693382004_ST/2.png)
D.
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131101225142569338281/SYS201311012251425693382004_ST/3.png)
考点分析:
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