T
thanghekhoc
![](https://blog.hocmai.vn/wp-content/uploads/2017/07/hot.gif)
![](https://blog.hocmai.vn/wp-content/uploads/2017/07/hot.gif)
1.[tex] \lim_{x\to 1} \frac{sqrt{x +7} - sqrt{5 - x^2}}{sin(x - 1)} [/tex]
2.[tex] \lim_{x\to 0} \frac{1 - sin(2x) - cos(2x)}{1 + sin(2x) - cos(2x)} [/tex]
2.[tex] \lim_{x\to 0} \frac{1 - sin(2x) - cos(2x)}{1 + sin(2x) - cos(2x)} [/tex]
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