如图,点A,B为直线y=x上两点,过A,B两点分别作y轴的平行线交y=1/x (x>0)于C,D两点.若BD=2AC,则4倍OC的平方-OD的平方=?格式要求清晰、规范~如图
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![如图,点A,B为直线y=x上两点,过A,B两点分别作y轴的平行线交y=1/x (x>0)于C,D两点.若BD=2AC,则4倍OC的平方-OD的平方=?格式要求清晰、规范~如图](/uploads/image/z/7121364-60-4.jpg?t=%E5%A6%82%E5%9B%BE%2C%E7%82%B9A%2CB%E4%B8%BA%E7%9B%B4%E7%BA%BFy%3Dx%E4%B8%8A%E4%B8%A4%E7%82%B9%2C%E8%BF%87A%2CB%E4%B8%A4%E7%82%B9%E5%88%86%E5%88%AB%E4%BD%9Cy%E8%BD%B4%E7%9A%84%E5%B9%B3%E8%A1%8C%E7%BA%BF%E4%BA%A4y%3D1%2Fx+%28x%3E0%29%E4%BA%8EC%2CD%E4%B8%A4%E7%82%B9.%E8%8B%A5BD%3D2AC%2C%E5%88%994%E5%80%8DOC%E7%9A%84%E5%B9%B3%E6%96%B9-OD%E7%9A%84%E5%B9%B3%E6%96%B9%3D%3F%E6%A0%BC%E5%BC%8F%E8%A6%81%E6%B1%82%E6%B8%85%E6%99%B0%E3%80%81%E8%A7%84%E8%8C%83%EF%BD%9E%E5%A6%82%E5%9B%BE)
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