fond-2-ln-1-3x-2-1-x-4-dx-

Question Number 120283 by Bird last updated on 30/Oct/20

$${fond}\:\int_{\mathrm{2}} ^{\infty} \frac{{ln}\left(\mathrm{1}+\mathrm{3}{x}^{\mathrm{2}} \right)}{\mathrm{1}+{x}^{\mathrm{4}} }{dx} \\ $$