N
nguyenthitramy93
![](https://blog.hocmai.vn/wp-content/uploads/2017/07/hot.gif)
![](https://blog.hocmai.vn/wp-content/uploads/2017/07/hot.gif)
1. [TEX]log_{x}{x-1}=ln1,5[/TEX]
2.[TEX]log_{x-1}{x+2}=log_{4+2 sqrt3}{7+4 sqrt3}[/TEX]
3.[TEX]log_{2}{(x^2+ abs{x-1})}= sqrt{1-x^2}[/TEX]
2.[TEX]log_{x-1}{x+2}=log_{4+2 sqrt3}{7+4 sqrt3}[/TEX]
3.[TEX]log_{2}{(x^2+ abs{x-1})}= sqrt{1-x^2}[/TEX]