Question Number 102275 by malwaan last updated on 07/Jul/20
$$\int_{\mathrm{1}} ^{\mathrm{2}} \:\boldsymbol{{ln}}\left(\frac{\boldsymbol{{x}}^{\mathrm{4}} \:+\:\mathrm{4}}{\boldsymbol{{x}}^{\mathrm{2}} \:+\:\mathrm{4}}\right)\frac{\boldsymbol{{dx}}}{\boldsymbol{{x}}} \\ $$
Commented by Dwaipayan Shikari last updated on 08/Jul/20
$$\mathrm{0} \\ $$
Commented by malwaan last updated on 09/Jul/20
$$\boldsymbol{{how}}? \\ $$