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(-x + (1 + x^2)*ArcTan[x])/2


Integrate[x*ArcTan[x], x] ==
(-x + (1 + x^2)*ArcTan[x])/2



Integrate[x ArcTan[x], x] == 

           2
-x + (1 + x ) ArcTan[x]
-----------------------
           2

Time to compute: < 0.01 second

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