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let-f-x-arctan-2-x-1-1-find-f-n-x-and-f-n-0-2-developp-f-at-integer-serie-




Question Number 102162 by mathmax by abdo last updated on 07/Jul/20
let f(x) =arctan((2/(x+1)))  1)find f^((n)) (x) and f^((n)) (0)  2)developp f at integer serie
$$\mathrm{let}\:\mathrm{f}\left(\mathrm{x}\right)\:=\mathrm{arctan}\left(\frac{\mathrm{2}}{\mathrm{x}+\mathrm{1}}\right) \\ $$$$\left.\mathrm{1}\right)\mathrm{find}\:\mathrm{f}^{\left(\mathrm{n}\right)} \left(\mathrm{x}\right)\:\mathrm{and}\:\mathrm{f}^{\left(\mathrm{n}\right)} \left(\mathrm{0}\right) \\ $$$$\left.\mathrm{2}\right)\mathrm{developp}\:\mathrm{f}\:\mathrm{at}\:\mathrm{integer}\:\mathrm{serie} \\ $$

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