Question Number 130535 by mathmax by abdo last updated on 26/Jan/21
$$\mathrm{let}\:\mathrm{g}\left(\mathrm{x}\right)=\mathrm{x}^{\mathrm{n}} \:\mathrm{e}^{−\mathrm{nx}} \mathrm{arctan}\left(\mathrm{nx}+\mathrm{2}\right) \\ $$$$\mathrm{calculate}\:\mathrm{g}^{\left(\mathrm{n}\right)} \left(\mathrm{o}\right) \\ $$