Question Number 5506 by Kasih last updated on 17/May/16
$${to}\:{integrate}\:{the}\:{improper}\:{rational}\:{function} \\ $$$${f}\left({x}\right)=\frac{\left({x}^{\mathrm{2}} +\mathrm{4}\right)}{\left({x}+\mathrm{1}\right)}\:{we}\:{first}\:{rewrite}\:{it}\:{as}\:{f}\left({x}\right)=? \\ $$