T
tony11b5


[tex]\int\frac{1}{sqrt{x^2 +2x + 2}}dx[/tex]
[tex]\int\frac{2x^3+3x}{x^4+x^2+1}dx[/tex]
[tex]\int\tan(x+\frac{\pi}{3})cot(x+\frac{\pi}{6})dx[/tex]
[tex]\int\frac{2x^3+3x}{x^4+x^2+1}dx[/tex]
[tex]\int\tan(x+\frac{\pi}{3})cot(x+\frac{\pi}{6})dx[/tex]
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