已知A(1,1)是椭圆
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131101222351920418377/SYS201311012223519204183018_ST/0.png)
=1(a>b>0)上一点,F
1、F
2是椭圆的两焦点,且满足|AF
1|+|AF
2|=4.
(Ⅰ)求椭圆的标准方程;
(Ⅱ)设点C、D是椭圆上两点,直线AC、AD的倾斜角互补,求直线CD的斜率.
考点分析:
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