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pexinh_k48th
![](https://blog.hocmai.vn/wp-content/uploads/2017/07/hot.gif)
![](https://blog.hocmai.vn/wp-content/uploads/2017/07/hot.gif)
tim gioi' han của hàm số
([TEX][/TEX]\sqrt[n]{A}[2]{x+2}+[TEX]\sqrt[n]{A}[/TEX][3]{x+20})/[TEX]\sqrt[n]{A}[4]{x+9}-2[/TEX]
([TEX][/TEX]\sqrt[n]{A}[2]{x+2}+[TEX]\sqrt[n]{A}[/TEX][3]{x+20})/[TEX]\sqrt[n]{A}[4]{x+9}-2[/TEX]