H
hjoker11


Bài 1 : tính nguyên hàm :
[TEX]\int\limits_{}^{} \frac{1-x^2}{1+x^4}[/TEX]
Bài 2: [TEX]\int\limits_{0}^{pi/4}\frac{dx}{4+3tgx}[/TEX]
[TEX]\int\limits_{}^{} \frac{1-x^2}{1+x^4}[/TEX]
Bài 2: [TEX]\int\limits_{0}^{pi/4}\frac{dx}{4+3tgx}[/TEX]
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