Question Number 137410 by mohammad17 last updated on 02/Apr/21
$$\int_{\mathrm{1}} ^{\:\infty\:\:\:} \frac{{x}\mathrm{2}^{{x}} +\mathrm{7}}{\mathrm{3}^{{x}} +{lnx}+\mathrm{1}}\:{dx} \\ $$
Commented by mohammad17 last updated on 02/Apr/21
$$????\: \\ $$