已知P(x0,8)是抛物线C:上的点,F是C的焦点,以PF为直径的圆M与x轴的另一个交点为Q(8,0).(I)求C与M的方程:(II)过点Q且斜率大于零的直线l,与抛物线C交于A、B两点,O为坐标原点,△AOB的
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![已知P(x0,8)是抛物线C:上的点,F是C的焦点,以PF为直径的圆M与x轴的另一个交点为Q(8,0).(I)求C与M的方程:(II)过点Q且斜率大于零的直线l,与抛物线C交于A、B两点,O为坐标原点,△AOB的](/uploads/image/z/6121253-29-3.jpg?t=%E5%B7%B2%E7%9F%A5P%EF%BC%88x0%2C8%EF%BC%89%E6%98%AF%E6%8A%9B%E7%89%A9%E7%BA%BFC%EF%BC%9A%E4%B8%8A%E7%9A%84%E7%82%B9%2CF%E6%98%AFC%E7%9A%84%E7%84%A6%E7%82%B9%2C%E4%BB%A5PF%E4%B8%BA%E7%9B%B4%E5%BE%84%E7%9A%84%E5%9C%86M%E4%B8%8Ex%E8%BD%B4%E7%9A%84%E5%8F%A6%E4%B8%80%E4%B8%AA%E4%BA%A4%E7%82%B9%E4%B8%BAQ%EF%BC%888%2C0%EF%BC%89%EF%BC%8E%EF%BC%88I%EF%BC%89%E6%B1%82C%E4%B8%8EM%E7%9A%84%E6%96%B9%E7%A8%8B%EF%BC%9A%EF%BC%88II%EF%BC%89%E8%BF%87%E7%82%B9Q%E4%B8%94%E6%96%9C%E7%8E%87%E5%A4%A7%E4%BA%8E%E9%9B%B6%E7%9A%84%E7%9B%B4%E7%BA%BFl%2C%E4%B8%8E%E6%8A%9B%E7%89%A9%E7%BA%BFC%E4%BA%A4%E4%BA%8EA%E3%80%81B%E4%B8%A4%E7%82%B9%2CO%E4%B8%BA%E5%9D%90%E6%A0%87%E5%8E%9F%E7%82%B9%2C%E2%96%B3AOB%E7%9A%84)
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