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Sqrt[1 + x + x^2] - ArcSinh[(1 + 2*x)/Sqrt[3]]/2

Integrate[x/Sqrt[1 + x + x^2], x] ==
Sqrt[1 + x + x^2] - ArcSinh[(1 + 2*x)/Sqrt[3]]/2 

                 x
Integrate[----------------, x] == 
                        2
          Sqrt[1 + x + x ]

                           1 + 2 x
                   ArcSinh[-------]
              2            Sqrt[3]
Sqrt[1 + x + x ] - ----------------
                          2
Time to compute: 0.02 second
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