11.设椭圆C:x2/a2+y2/b2=1(a>b>0)的左焦点为F,过点F的直线与椭圆C相交于A,B两点,直线l的倾斜角为60º,→AF=2→FB.求椭圆C的离心率,如果|AB|=15/4,求椭圆C的方程
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![11.设椭圆C:x2/a2+y2/b2=1(a>b>0)的左焦点为F,过点F的直线与椭圆C相交于A,B两点,直线l的倾斜角为60º,→AF=2→FB.求椭圆C的离心率,如果|AB|=15/4,求椭圆C的方程](/uploads/image/z/10792985-41-5.jpg?t=11.%E8%AE%BE%E6%A4%AD%E5%9C%86C%3Ax2%2Fa2%EF%BC%8By2%2Fb2%EF%BC%9D1%28a%EF%BC%9Eb%EF%BC%9E0%29%E7%9A%84%E5%B7%A6%E7%84%A6%E7%82%B9%E4%B8%BAF%2C%E8%BF%87%E7%82%B9F%E7%9A%84%E7%9B%B4%E7%BA%BF%E4%B8%8E%E6%A4%AD%E5%9C%86C%E7%9B%B8%E4%BA%A4%E4%BA%8EA%2CB%E4%B8%A4%E7%82%B9%2C%E7%9B%B4%E7%BA%BFl%E7%9A%84%E5%80%BE%E6%96%9C%E8%A7%92%E4%B8%BA60%26%23186%3B%2C%E2%86%92AF%EF%BC%9D2%E2%86%92FB.%E6%B1%82%E6%A4%AD%E5%9C%86C%E7%9A%84%E7%A6%BB%E5%BF%83%E7%8E%87%2C%E5%A6%82%E6%9E%9C%7CAB%7C%3D15%2F4%2C%E6%B1%82%E6%A4%AD%E5%9C%86C%E7%9A%84%E6%96%B9%E7%A8%8B)
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