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已知抛物线y2=2px(p>0)上一点M(1,m)(m>0)到其焦点的距离为5,...
已知抛物线y
2=2px(p>0)上一点M(1,m)(m>0)到其焦点的距离为5,双曲线
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131024182632968895457/SYS201310241826329688954006_ST/0.png)
的左顶点为A,若双曲线的一条渐近线与直线AM平行,则实数a的值是( )
A.
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131024182632968895457/SYS201310241826329688954006_ST/1.png)
B.
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131024182632968895457/SYS201310241826329688954006_ST/2.png)
C.
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131024182632968895457/SYS201310241826329688954006_ST/3.png)
D.
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131024182632968895457/SYS201310241826329688954006_ST/4.png)
考点分析:
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