Question Number 163039 by qaz last updated on 03/Jan/22
$$\underset{\mathrm{n}\rightarrow\infty} {\mathrm{lim}}\sqrt{\mathrm{n}}\int_{\mathrm{0}} ^{\mathrm{1}} \mathrm{x}\centerdot\mathrm{sin}^{\mathrm{2n}} \left(\mathrm{2}\pi\mathrm{x}\right)\mathrm{dx}=? \\ $$