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已知点F是双曲线的右焦点,点C是该双曲线的左顶点,过F且垂直于x轴的直线与双曲线...
已知点F是双曲线
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的右焦点,点C是该双曲线的左顶点,过F且垂直于x轴的直线与双曲线交于A、B两点,若△ABC是锐角三角形,则此双曲线离心率的取值范围是( )
A.(1,2)
B.(1,+∞)
C.
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131101225344154793416/SYS201311012253441547934009_ST/1.png)
D.
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131101225344154793416/SYS201311012253441547934009_ST/2.png)
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