Question Number 166049 by SANOGO last updated on 12/Feb/22
$${n}\epsilon\:{R}/\left\{\mathrm{0},\mathrm{1}\right\}\:{montrer}\:{que} \\ $$$$\underset{{k}={n}} {\overset{\mathrm{2}{n}} {\sum}}\:\frac{{x}^{{k}} }{{nx}+{ln}\left({k}\right)}>=\frac{\mathrm{1}}{\mathrm{4}} \\ $$