已知椭圆x2/a2+y2/b2=1(a>b>0)的离心率e=根号3/2,连接椭圆的四个顶点,得到菱形面积为4.①求椭圆的方程如.②.沿直线l的椭圆交于不同的两点A,B已知A(-a,0),且|AB|=4根号2/5,求直线l的方程
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![已知椭圆x2/a2+y2/b2=1(a>b>0)的离心率e=根号3/2,连接椭圆的四个顶点,得到菱形面积为4.①求椭圆的方程如.②.沿直线l的椭圆交于不同的两点A,B已知A(-a,0),且|AB|=4根号2/5,求直线l的方程](/uploads/image/z/2714382-54-2.jpg?t=%E5%B7%B2%E7%9F%A5%E6%A4%AD%E5%9C%86x2%2Fa2%2By2%2Fb2%3D1%28a%3Eb%3E0%29%E7%9A%84%E7%A6%BB%E5%BF%83%E7%8E%87e%3D%E6%A0%B9%E5%8F%B73%2F2%2C%E8%BF%9E%E6%8E%A5%E6%A4%AD%E5%9C%86%E7%9A%84%E5%9B%9B%E4%B8%AA%E9%A1%B6%E7%82%B9%2C%E5%BE%97%E5%88%B0%E8%8F%B1%E5%BD%A2%E9%9D%A2%E7%A7%AF%E4%B8%BA4.%E2%91%A0%E6%B1%82%E6%A4%AD%E5%9C%86%E7%9A%84%E6%96%B9%E7%A8%8B%E5%A6%82.%E2%91%A1.%E6%B2%BF%E7%9B%B4%E7%BA%BFl%E7%9A%84%E6%A4%AD%E5%9C%86%E4%BA%A4%E4%BA%8E%E4%B8%8D%E5%90%8C%E7%9A%84%E4%B8%A4%E7%82%B9A%2CB%E5%B7%B2%E7%9F%A5A%28-a%2C0%29%2C%E4%B8%94%7CAB%7C%3D4%E6%A0%B9%E5%8F%B72%2F5%2C%E6%B1%82%E7%9B%B4%E7%BA%BFl%E7%9A%84%E6%96%B9%E7%A8%8B)
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