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n/(5*E^((5*x)/n)) - (5*n)/(4*E^((4*x)/n)) + (10*n)/(3*E^((3*x)/n)) - (5*n)/E^((2*x)/n) + (5*n)/E^(x/n) + x

Integrate[(1 - E^(-(x/n)))^5, x] ==
n/(5*E^((5*x)/n)) - (5*n)/(4*E^((4*x)/n)) + (10*n)/(3*E^((3*x)/n)) - (5*n)/E^((2*x)/n) + (5*n)/E^(x/n) + x 

                -(x/n) 5
Integrate[(1 - E      ) , x] == 

    n           5 n          10 n        5 n
---------- - ---------- + ---------- - -------- + 
   (5 x)/n      (4 x)/n      (3 x)/n    (2 x)/n
5 E          4 E          3 E          E
 
  5 n
  ---- + x
   x/n
  E
Time to compute: 0.07 second
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