如图,过y轴上任意一点P,作x轴的平行线,分别与反比例函数和的图

如图,过y轴上任意一点P,作x轴的平行线,分别与反比例函数的图像交于A点和B点。若Cx轴上任意一点,连接ACBC,则△ABC的面积为       

答案

2.5                          

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