fact: Definition Reste_E (x y:R) (N:nat) : R := sum_f_R0 (fun k:nat => sum_f_R0 (fun l:nat => / INR (fact (S (l + k))) * x ^ S (l + k) * (/ INR (fact (N - l)) * y ^ (N - l))) ( pred (N - k))) (pred N).
imports: Rbase Rfunctions SeqSeries Rtrigo1 Ranalysis1 PSeries_reg Lia Lra