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设抛物线y2=2px(p>0)的焦点F恰好是椭圆的右焦点,且两条曲线的交点的连线...
设抛物线y
2=2px(p>0)的焦点F恰好是椭圆
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131103102546757384807/SYS201311031025467573848010_ST/0.png)
的右焦点,且两条曲线的交点的连线过点F,则该椭圆的离心率为( )
A.
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131103102546757384807/SYS201311031025467573848010_ST/1.png)
B.
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131103102546757384807/SYS201311031025467573848010_ST/2.png)
C.
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131103102546757384807/SYS201311031025467573848010_ST/3.png)
D.
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131103102546757384807/SYS201311031025467573848010_ST/4.png)
考点分析:
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的右焦点为F,若过点F且倾斜角为60°的直线与双曲线的右支有且只有一个交点,则此双曲线离心率的取值范围是( )
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已知点F、A分别为双曲
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的左焦点、右顶点,点B(0,b)满足
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,则双曲线的离心率为( )
A.
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131103102546757384807/SYS201311031025467573848007_ST/2.png)
B.
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131103102546757384807/SYS201311031025467573848007_ST/3.png)
C.
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131103102546757384807/SYS201311031025467573848007_ST/4.png)
D.
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已知直线y=k(x+2)(k>0)与抛物线C:y
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![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131103102546757384807/SYS201311031025467573848006_ST/images0.png)
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A.
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B.
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131103102546757384807/SYS201311031025467573848006_ST/1.png)
C.
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131103102546757384807/SYS201311031025467573848006_ST/2.png)
D.
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设F
1,F
2是椭圆
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131103102546757384807/SYS201311031025467573848005_ST/0.png)
的两个焦点,P是椭圆上的点,且|PF
1|:|PF
2|=4:3,则△PF
1F
2的面积为( )
A.4
B.
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131103102546757384807/SYS201311031025467573848005_ST/1.png)
C.
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131103102546757384807/SYS201311031025467573848005_ST/2.png)
D.6
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