N
nghianghialan


bài 1
[TEX]\int\limits_{\frac{\pi}{6}}^{\frac{\pi}{3}}\sqrt{tanx}dx[/TEX]
bài 2
[TEX]\int_{}^{}\frac{x.e^{arctanx}}{(1+x^2)^{3/2}}dx[/TEX]
[TEX]\int\limits_{\frac{\pi}{6}}^{\frac{\pi}{3}}\sqrt{tanx}dx[/TEX]
bài 2
[TEX]\int_{}^{}\frac{x.e^{arctanx}}{(1+x^2)^{3/2}}dx[/TEX]