已知椭圆C:x^2/a^2+y^2/b^2=1(a>b>0)点P(根号5a/5,根号2a/2)在椭圆上,设A为椭圆右顶点,O为坐标原点,若Q点在椭圆上满足|AQ|=|OA|,求OQ斜率表示知道联立椭圆和圆(x-a)^2+y^2=a^2的方程,但a消不掉,
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![已知椭圆C:x^2/a^2+y^2/b^2=1(a>b>0)点P(根号5a/5,根号2a/2)在椭圆上,设A为椭圆右顶点,O为坐标原点,若Q点在椭圆上满足|AQ|=|OA|,求OQ斜率表示知道联立椭圆和圆(x-a)^2+y^2=a^2的方程,但a消不掉,](/uploads/image/z/6816553-25-3.jpg?t=%E5%B7%B2%E7%9F%A5%E6%A4%AD%E5%9C%86C%3Ax%5E2%2Fa%5E2%2By%5E2%2Fb%5E2%3D1%28a%3Eb%3E0%29%E7%82%B9P%28%E6%A0%B9%E5%8F%B75a%2F5%2C%E6%A0%B9%E5%8F%B72a%2F2%29%E5%9C%A8%E6%A4%AD%E5%9C%86%E4%B8%8A%2C%E8%AE%BEA%E4%B8%BA%E6%A4%AD%E5%9C%86%E5%8F%B3%E9%A1%B6%E7%82%B9%2CO%E4%B8%BA%E5%9D%90%E6%A0%87%E5%8E%9F%E7%82%B9%2C%E8%8B%A5Q%E7%82%B9%E5%9C%A8%E6%A4%AD%E5%9C%86%E4%B8%8A%E6%BB%A1%E8%B6%B3%7CAQ%7C%3D%7COA%7C%2C%E6%B1%82OQ%E6%96%9C%E7%8E%87%E8%A1%A8%E7%A4%BA%E7%9F%A5%E9%81%93%E8%81%94%E7%AB%8B%E6%A4%AD%E5%9C%86%E5%92%8C%E5%9C%86%EF%BC%88x-a%EF%BC%89%5E2%2By%5E2%3Da%5E2%E7%9A%84%E6%96%B9%E7%A8%8B%2C%E4%BD%86a%E6%B6%88%E4%B8%8D%E6%8E%89%2C)
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