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I am trying to calculate an expression which has the following form Sum[(-1)^(n+1) Bionomial[4,n] NIntegrate[S[n,x] Q[n,x] V[n,x] F[x], {x,0,2000} , WorkingPercision -> 5 ] , {n, 4} ] Where we have : G[x_ ] := 2 Pi x p[x] Exp[-2...