Question Number 36359 by abdo mathsup 649 cc last updated on 01/Jun/18
$${decompose}\:{inside}\:{C}\left({x}\right)\:{the}\:{fraction}\: \\ $$$${F}\left({x}\right)=\:\:\frac{\mathrm{1}}{\left({x}^{\mathrm{2}} \:+\mathrm{1}\right)^{{n}} }\:\:{with}\:{n}\:{integr}\:{nstural}. \\ $$