圆锥曲线填空题,封闭曲线C由C1:X2+Y2=169(X≤5),C2:(x-14)2+Y2=225(x≥5)组成.设曲线C与x轴正方向的交点为A,O为坐标原点,P为曲线C上一点,且|PA|=3|PO|,则P点的横坐标是?
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![圆锥曲线填空题,封闭曲线C由C1:X2+Y2=169(X≤5),C2:(x-14)2+Y2=225(x≥5)组成.设曲线C与x轴正方向的交点为A,O为坐标原点,P为曲线C上一点,且|PA|=3|PO|,则P点的横坐标是?](/uploads/image/z/9450727-7-7.jpg?t=%E5%9C%86%E9%94%A5%E6%9B%B2%E7%BA%BF%E5%A1%AB%E7%A9%BA%E9%A2%98%2C%E5%B0%81%E9%97%AD%E6%9B%B2%E7%BA%BFC%E7%94%B1C1%EF%BC%9AX2%2BY2%3D169%EF%BC%88X%E2%89%A45%EF%BC%89%2CC2%EF%BC%9A%EF%BC%88x-14%EF%BC%892%2BY2%3D225%EF%BC%88x%E2%89%A55%EF%BC%89%E7%BB%84%E6%88%90.%E8%AE%BE%E6%9B%B2%E7%BA%BFC%E4%B8%8Ex%E8%BD%B4%E6%AD%A3%E6%96%B9%E5%90%91%E7%9A%84%E4%BA%A4%E7%82%B9%E4%B8%BAA%2CO%E4%B8%BA%E5%9D%90%E6%A0%87%E5%8E%9F%E7%82%B9%2CP%E4%B8%BA%E6%9B%B2%E7%BA%BFC%E4%B8%8A%E4%B8%80%E7%82%B9%2C%E4%B8%94%7CPA%7C%3D3%7CPO%7C%2C%E5%88%99P%E7%82%B9%E7%9A%84%E6%A8%AA%E5%9D%90%E6%A0%87%E6%98%AF%3F)
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