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1. \int_{}^{}[TEX]\frac{1}{\sqrt{3x}+\sqrt{3x-2}}[/TEX]dx
2. \int_{}^{}[TEX]\frac{x}{(x+1)^3}[/TEX]dx
3. \int_{}^{}[TEX]\frac{x}{(x+1)^2}[/TEX]dx
4. \int_{}^{}[TEX]\frac{x^2}{(x+1)}[/TEX]dx
2. \int_{}^{}[TEX]\frac{x}{(x+1)^3}[/TEX]dx
3. \int_{}^{}[TEX]\frac{x}{(x+1)^2}[/TEX]dx
4. \int_{}^{}[TEX]\frac{x^2}{(x+1)}[/TEX]dx