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-ArcTan[x]/2 + Log[-1 + x]/4 - Log[1 + x]/4


Integrate[1/(-1 + x^4), x] ==
-ArcTan[x]/2 + Log[-1 + x]/4 - Log[1 + x]/4



             1
Integrate[-------, x] == 
                4
          -1 + x

-ArcTan[x]   Log[-1 + x]   Log[1 + x]
---------- + ----------- - ----------
    2             4            4

Time to compute: 0.07 second

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