椭圆x^2/a^2+y^2/b^2=1(a>b>0)上一点到椭圆右焦点的距离是长轴两端点到右焦点距离的等差中项,则P的坐标为
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![椭圆x^2/a^2+y^2/b^2=1(a>b>0)上一点到椭圆右焦点的距离是长轴两端点到右焦点距离的等差中项,则P的坐标为](/uploads/image/z/5181551-71-1.jpg?t=%E6%A4%AD%E5%9C%86x%5E2%2Fa%5E2%2By%5E2%2Fb%5E2%3D1%28a%3Eb%3E0%29%E4%B8%8A%E4%B8%80%E7%82%B9%E5%88%B0%E6%A4%AD%E5%9C%86%E5%8F%B3%E7%84%A6%E7%82%B9%E7%9A%84%E8%B7%9D%E7%A6%BB%E6%98%AF%E9%95%BF%E8%BD%B4%E4%B8%A4%E7%AB%AF%E7%82%B9%E5%88%B0%E5%8F%B3%E7%84%A6%E7%82%B9%E8%B7%9D%E7%A6%BB%E7%9A%84%E7%AD%89%E5%B7%AE%E4%B8%AD%E9%A1%B9%2C%E5%88%99P%E7%9A%84%E5%9D%90%E6%A0%87%E4%B8%BA)
椭圆x^2/a^2+y^2/b^2=1(a>b>0)上一点到椭圆右焦点的距离是长轴两端点到右焦点距离的等差中项,则P的坐标为
椭圆x^2/a^2+y^2/b^2=1(a>b>0)上一点到椭圆右焦点的距离是长轴两端点到右焦点距离的等差中项,则P的坐标为
椭圆x^2/a^2+y^2/b^2=1(a>b>0)上一点到椭圆右焦点的距离是长轴两端点到右焦点距离的等差中项,则P的坐标为
依椭圆性质可知:点p(x,y)到右焦点的距离为a.又依椭圆上的点P到左、右焦点F1、F2满足关系:|PF1|+|PF2|=2a.由椭圆的对称性可知,显然,点p坐标为(0,b)或(-b,0).