L
luffy_95


1,[TEX]\oint_{2\sqrt{2}}^{sqrt15}{\frac{x^2.dx}{(x-\frac{3}{x}){sqrt{x^2+1}}[/TEX]
2,[TEX]\oint_{-1}^{1}\frac{dx}{x^3+8}[/TEX]
2,[TEX]\oint_{-1}^{1}\frac{dx}{x^3+8}[/TEX]
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