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-(Sqrt[-1 + x]*Sqrt[1 + x]) + x*ArcCosh[x]

Integrate[ArcCosh[x], x] ==
-(Sqrt[-1 + x]*Sqrt[1 + x]) + x*ArcCosh[x] 

Integrate[ArcCosh[x], x] == 

-(Sqrt[-1 + x] Sqrt[1 + x]) + x ArcCosh[x]
Time to compute: 0.03 second
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