B
bachdung93


1> I= [TEX]\int_{0}^{ln2}\sqrt{e^x-1}\,dx[/TEX]
2> I= [TEX]\int_{0}^{\pi}\frac{xsinx}{1+cos^2}\,dx[/TEX]
3> I = [TEX]\int_{1}^{2}\frac{\sqrt{x^2+1}}{x^4}\,dx[/TEX]
2> I= [TEX]\int_{0}^{\pi}\frac{xsinx}{1+cos^2}\,dx[/TEX]
3> I = [TEX]\int_{1}^{2}\frac{\sqrt{x^2+1}}{x^4}\,dx[/TEX]
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