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Log[2*(x + Sqrt[b + x^2])]


Integrate[1/Sqrt[b + x^2], x] ==
Log[2*(x + Sqrt[b + x^2])]



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

                     2
Log[2 (x + Sqrt[b + x ])]

Time to compute: 0.01 second

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