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已知A,B,P是双曲线上不同的三点,且A,B连线经过坐标原点,若直线PA,PB的...
已知A,B,P是双曲线
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131025123758580261672/SYS201310251237585802616010_ST/0.png)
上不同的三点,且A,B连线经过坐标原点,若直线PA,PB的斜率乘积
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131025123758580261672/SYS201310251237585802616010_ST/1.png)
,则该双曲线的离心率为( )
A.
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131025123758580261672/SYS201310251237585802616010_ST/2.png)
B.
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131025123758580261672/SYS201310251237585802616010_ST/3.png)
C.
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131025123758580261672/SYS201310251237585802616010_ST/4.png)
D.
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131025123758580261672/SYS201310251237585802616010_ST/5.png)
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k=f(x)
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=( )
A.1
B.
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C.
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D.
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已知函数
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半径为1的球面上有A、B、C三点,其中点A与B、C两点间的球面距离均为
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A.
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B.
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C.
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131025123758580261672/SYS201310251237585802616007_ST/4.png)
D.
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A.
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131025123758580261672/SYS201310251237585802616005_ST/2.png)
B.
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131025123758580261672/SYS201310251237585802616005_ST/3.png)
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![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131025123758580261672/SYS201310251237585802616005_ST/4.png)
D.
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