椭圆x^2/16+y^2/9=1的两焦点为F1,F2,P是椭圆上一点,若PF1F2为一直角三角形的三个顶点,求P点到x轴的距离
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![椭圆x^2/16+y^2/9=1的两焦点为F1,F2,P是椭圆上一点,若PF1F2为一直角三角形的三个顶点,求P点到x轴的距离](/uploads/image/z/5183127-63-7.jpg?t=%E6%A4%AD%E5%9C%86x%5E2%2F16%2By%5E2%2F9%3D1%E7%9A%84%E4%B8%A4%E7%84%A6%E7%82%B9%E4%B8%BAF1%2CF2%2CP%E6%98%AF%E6%A4%AD%E5%9C%86%E4%B8%8A%E4%B8%80%E7%82%B9%2C%E8%8B%A5PF1F2%E4%B8%BA%E4%B8%80%E7%9B%B4%E8%A7%92%E4%B8%89%E8%A7%92%E5%BD%A2%E7%9A%84%E4%B8%89%E4%B8%AA%E9%A1%B6%E7%82%B9%2C%E6%B1%82P%E7%82%B9%E5%88%B0x%E8%BD%B4%E7%9A%84%E8%B7%9D%E7%A6%BB)
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