已知椭圆C的中心在原点焦点在x轴上离心率e=1/2一个顶点的坐标为(0,根号3)(1)求椭圆C的方程(2) 椭圆C的左焦点为F右顶点为A直线l:y=kx+m与椭圆C相交于M,N两点且向量AM*向量AN=0,试问:是否存
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![已知椭圆C的中心在原点焦点在x轴上离心率e=1/2一个顶点的坐标为(0,根号3)(1)求椭圆C的方程(2) 椭圆C的左焦点为F右顶点为A直线l:y=kx+m与椭圆C相交于M,N两点且向量AM*向量AN=0,试问:是否存](/uploads/image/z/6898857-33-7.jpg?t=%E5%B7%B2%E7%9F%A5%E6%A4%AD%E5%9C%86C%E7%9A%84%E4%B8%AD%E5%BF%83%E5%9C%A8%E5%8E%9F%E7%82%B9%E7%84%A6%E7%82%B9%E5%9C%A8x%E8%BD%B4%E4%B8%8A%E7%A6%BB%E5%BF%83%E7%8E%87e%3D1%2F2%E4%B8%80%E4%B8%AA%E9%A1%B6%E7%82%B9%E7%9A%84%E5%9D%90%E6%A0%87%E4%B8%BA%280%2C%E6%A0%B9%E5%8F%B73%29%EF%BC%881%EF%BC%89%E6%B1%82%E6%A4%AD%E5%9C%86C%E7%9A%84%E6%96%B9%E7%A8%8B%EF%BC%882%EF%BC%89+%E6%A4%AD%E5%9C%86C%E7%9A%84%E5%B7%A6%E7%84%A6%E7%82%B9%E4%B8%BAF%E5%8F%B3%E9%A1%B6%E7%82%B9%E4%B8%BAA%E7%9B%B4%E7%BA%BFl%3Ay%3Dkx%2Bm%E4%B8%8E%E6%A4%AD%E5%9C%86C%E7%9B%B8%E4%BA%A4%E4%BA%8EM%2CN%E4%B8%A4%E7%82%B9%E4%B8%94%E5%90%91%E9%87%8FAM%2A%E5%90%91%E9%87%8FAN%3D0%2C%E8%AF%95%E9%97%AE%EF%BC%9A%E6%98%AF%E5%90%A6%E5%AD%98)
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