已知 抛物线经过原点(0,0)A(1,-3?B(-1,5)(1) 求抛物线解析式(2)设抛物线与X轴的另一交点为C,以OC为直径作圆M,如果抛物线上一点P作圆M的切线PD,切点为D,且与Y轴的正半轴交点为E,连接MD
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![已知 抛物线经过原点(0,0)A(1,-3?B(-1,5)(1) 求抛物线解析式(2)设抛物线与X轴的另一交点为C,以OC为直径作圆M,如果抛物线上一点P作圆M的切线PD,切点为D,且与Y轴的正半轴交点为E,连接MD](/uploads/image/z/611942-14-2.jpg?t=%E5%B7%B2%E7%9F%A5+%E6%8A%9B%E7%89%A9%E7%BA%BF%E7%BB%8F%E8%BF%87%E5%8E%9F%E7%82%B9%EF%BC%880%2C0%EF%BC%89A%EF%BC%881%2C-3%3FB%EF%BC%88-1%2C5%EF%BC%89%EF%BC%881%EF%BC%89+%E6%B1%82%E6%8A%9B%E7%89%A9%E7%BA%BF%E8%A7%A3%E6%9E%90%E5%BC%8F%EF%BC%882%EF%BC%89%E8%AE%BE%E6%8A%9B%E7%89%A9%E7%BA%BF%E4%B8%8EX%E8%BD%B4%E7%9A%84%E5%8F%A6%E4%B8%80%E4%BA%A4%E7%82%B9%E4%B8%BAC%2C%E4%BB%A5OC%E4%B8%BA%E7%9B%B4%E5%BE%84%E4%BD%9C%E5%9C%86M%2C%E5%A6%82%E6%9E%9C%E6%8A%9B%E7%89%A9%E7%BA%BF%E4%B8%8A%E4%B8%80%E7%82%B9P%E4%BD%9C%E5%9C%86M%E7%9A%84%E5%88%87%E7%BA%BFPD%2C%E5%88%87%E7%82%B9%E4%B8%BAD%2C%E4%B8%94%E4%B8%8EY%E8%BD%B4%E7%9A%84%E6%AD%A3%E5%8D%8A%E8%BD%B4%E4%BA%A4%E7%82%B9%E4%B8%BAE%2C%E8%BF%9E%E6%8E%A5MD)
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