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如果以原点为圆心的圆经过双曲线的焦点,而且它被该双曲线的右准线分成弧长为2:1的...
如果以原点为圆心的圆经过双曲线
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131024180207371884708/SYS201310241802073718847012_ST/0.png)
的焦点,而且它被该双曲线的右准线分成弧长为2:1的两段圆弧,那么该双曲线的离心率e等于( )
A.
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131024180207371884708/SYS201310241802073718847012_ST/1.png)
B.
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131024180207371884708/SYS201310241802073718847012_ST/2.png)
C.
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131024180207371884708/SYS201310241802073718847012_ST/3.png)
D.
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131024180207371884708/SYS201310241802073718847012_ST/4.png)
考点分析:
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![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131024180207371884708/SYS201310241802073718847007_ST/0.png)
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