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Sqrt[-4 + x*(2 + x)]


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



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

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

Time to compute: 0.01 second

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