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Question Number 46983 by maxmathsup by imad last updated on 03/Nov/18
$$\left({u}_{{n}} \right)\:{is}\:{a}\:{sequence}\:{wich}\:{verify}\:{u}_{{n}} ={n}\:{u}_{{n}−\mathrm{1}} \:−\lambda\:\:\left(\lambda\:{from}\:{R}\:{and}\:{n}\geqslant\mathrm{1}\right) \\ $$$${calculate}\:{u}_{{n}} {interm}\:{of}\:{n}\:{and}\:\lambda\:. \\ $$