Question Number 137156 by adhigenz last updated on 30/Mar/21
$$\underset{\mathrm{1}} {\overset{\infty} {\int}}\frac{\sqrt{\mathrm{3}{x}^{\mathrm{4}} +\mathrm{5}{x}^{\mathrm{3}} +\mathrm{1}}}{\mathrm{4}{x}^{\mathrm{3}} +{x}^{\mathrm{2}} +\mathrm{2}}\:{dx}\:=\:… \\ $$