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Log[2*(2*x + Sqrt[-25 + 4*x^2])]/2


Integrate[1/Sqrt[-25 + 4*x^2], x] ==
Log[2*(2*x + Sqrt[-25 + 4*x^2])]/2



                 1
Integrate[----------------, x] == 
                        2
          Sqrt[-25 + 4 x ]

                           2
Log[2 (2 x + Sqrt[-25 + 4 x ])]
-------------------------------
               2

Time to compute: 0.01 second

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