G
g_dragon88
![](https://blog.hocmai.vn/wp-content/uploads/2017/07/hot.gif)
![](https://blog.hocmai.vn/wp-content/uploads/2017/07/hot.gif)
1, [TEX] (x+2)^3[/TEX] + [TEX]\frac{ (x+2)^3 }{ (x+1)^3}[/TEX] =16
2, [TEX]\frac{1}{x}[/TEX] + [TEX]\frac{1}{\sqrt{2- x^2}[/TEX] = 2
2, [TEX]\frac{1}{x}[/TEX] + [TEX]\frac{1}{\sqrt{2- x^2}[/TEX] = 2