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![](https://blog.hocmai.vn/wp-content/uploads/2017/07/hot.gif)
![](https://blog.hocmai.vn/wp-content/uploads/2017/07/hot.gif)
[tex]\huge I=\int_{-\frac 12}^{\frac 12} \ \frac{dx}{(e^x+1)(1-x^2)}[/tex]
Tham khảo cách gõ công thức Toán:http://diendan.hocmai.vn/showthread.php?t=4917
Tham khảo cách gõ công thức Toán:http://diendan.hocmai.vn/showthread.php?t=4917
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