Menu Close

let-B-n-k-1-n-sin-kpi-n-sin-k-n-2-find-lim-n-B-n-




Question Number 35690 by prof Abdo imad last updated on 22/May/18
let B_n  =Σ_(k=1) ^n   sin(((kπ)/n)) sin((k/n^2 ))  find lim_(n→+∞)   B_n
$${let}\:{B}_{{n}} \:=\sum_{{k}=\mathrm{1}} ^{{n}} \:\:{sin}\left(\frac{{k}\pi}{{n}}\right)\:{sin}\left(\frac{{k}}{{n}^{\mathrm{2}} }\right) \\ $$$${find}\:{lim}_{{n}\rightarrow+\infty} \:\:{B}_{{n}} \\ $$

Leave a Reply

Your email address will not be published. Required fields are marked *