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chip001
![](https://blog.hocmai.vn/wp-content/uploads/2017/07/hot.gif)
![](https://blog.hocmai.vn/wp-content/uploads/2017/07/hot.gif)
Cho duong tron tam I ban kinh bang 2.lay diem M thuoc d: x+y=0 từ M ke 2 tiep tuyen MA MB đen duong tròn. (A B la 2 tiep điem) biet pt AB 3x+y-2=0 va khoang kách tu I đen duong thang d=2.căn2 .viet pt đuong tròn
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