已知F1,F2为椭圆的焦点,P为椭圆上的任意一点,椭圆的离心率为1/3,...已知F1,F2为椭圆的焦点,P为椭圆上的任意一点,椭圆的离心率为1/3,以P为圆心,PF2长为半径做圆P,当圆P与x轴相切时,截y轴所得的
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![已知F1,F2为椭圆的焦点,P为椭圆上的任意一点,椭圆的离心率为1/3,...已知F1,F2为椭圆的焦点,P为椭圆上的任意一点,椭圆的离心率为1/3,以P为圆心,PF2长为半径做圆P,当圆P与x轴相切时,截y轴所得的](/uploads/image/z/6860986-34-6.jpg?t=%E5%B7%B2%E7%9F%A5F1%2CF2%E4%B8%BA%E6%A4%AD%E5%9C%86%E7%9A%84%E7%84%A6%E7%82%B9%2CP%E4%B8%BA%E6%A4%AD%E5%9C%86%E4%B8%8A%E7%9A%84%E4%BB%BB%E6%84%8F%E4%B8%80%E7%82%B9%2C%E6%A4%AD%E5%9C%86%E7%9A%84%E7%A6%BB%E5%BF%83%E7%8E%87%E4%B8%BA1%2F3%2C...%E5%B7%B2%E7%9F%A5F1%2CF2%E4%B8%BA%E6%A4%AD%E5%9C%86%E7%9A%84%E7%84%A6%E7%82%B9%2CP%E4%B8%BA%E6%A4%AD%E5%9C%86%E4%B8%8A%E7%9A%84%E4%BB%BB%E6%84%8F%E4%B8%80%E7%82%B9%2C%E6%A4%AD%E5%9C%86%E7%9A%84%E7%A6%BB%E5%BF%83%E7%8E%87%E4%B8%BA1%2F3%2C%E4%BB%A5P%E4%B8%BA%E5%9C%86%E5%BF%83%2CPF2%E9%95%BF%E4%B8%BA%E5%8D%8A%E5%BE%84%E5%81%9A%E5%9C%86P%2C%E5%BD%93%E5%9C%86P%E4%B8%8Ex%E8%BD%B4%E7%9B%B8%E5%88%87%E6%97%B6%2C%E6%88%AAy%E8%BD%B4%E6%89%80%E5%BE%97%E7%9A%84)
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