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如图,A、B是双曲线y=(k>0)上的点,A、B两点的横坐标分别是a、2a,线段...
如图,A、B是双曲线y=
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131103101509805150687/SYS201311031015098051506019_ST/0.png)
(k>0)上的点,A、B两点的横坐标分别是a、2a,线段AB的延长线交x轴于点C,若S
△AOC=6.则k=
.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131103101509805150687/SYS201311031015098051506019_ST/images1.png)
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