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B2P(1)

ans =

                                               2 1/2   /
  -0.005000000000 (0.000899999999999999975 - X1 )     /  (
                                                     /

                                            2
        (-0.0299999999999999989 cos(t) - X1)  + 0.00002500000000 +

                                                                      2 1/2 2
        (-0.0299999999999999989 sin(t) - (0.000899999999999999975 - X1 )   ) )^
3/2


int(B2P(1),X1)

ans =

    /
   |                                               2 1/2   /
   |  -0.005000000000 (0.000899999999999999975 - X1 )     /  (
   |                                                     /
  /

                                            2
        (-0.0299999999999999989 cos(t) - X1)  + 0.00002500000000 +

                                                                      2 1/2 2
        (-0.0299999999999999989 sin(t) - (0.000899999999999999975 - X1 )   ) )^

        3/2
            dX1
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