在直角坐标系XOY中点P到两点(-3,0)(3,0)的距离之和等于10 设点P的轨迹为曲线C求C 2.求过点(3,0)且斜率为4/5的直线被C所截线段的中点坐标
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![在直角坐标系XOY中点P到两点(-3,0)(3,0)的距离之和等于10 设点P的轨迹为曲线C求C 2.求过点(3,0)且斜率为4/5的直线被C所截线段的中点坐标](/uploads/image/z/12458371-67-1.jpg?t=%E5%9C%A8%E7%9B%B4%E8%A7%92%E5%9D%90%E6%A0%87%E7%B3%BBXOY%E4%B8%AD%E7%82%B9P%E5%88%B0%E4%B8%A4%E7%82%B9%28-3%2C0%29%283%2C0%29%E7%9A%84%E8%B7%9D%E7%A6%BB%E4%B9%8B%E5%92%8C%E7%AD%89%E4%BA%8E10+%E8%AE%BE%E7%82%B9P%E7%9A%84%E8%BD%A8%E8%BF%B9%E4%B8%BA%E6%9B%B2%E7%BA%BFC%E6%B1%82C++2.%E6%B1%82%E8%BF%87%E7%82%B9%EF%BC%883%2C0%EF%BC%89%E4%B8%94%E6%96%9C%E7%8E%87%E4%B8%BA4%2F5%E7%9A%84%E7%9B%B4%E7%BA%BF%E8%A2%ABC%E6%89%80%E6%88%AA%E7%BA%BF%E6%AE%B5%E7%9A%84%E4%B8%AD%E7%82%B9%E5%9D%90%E6%A0%87)
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