Menu Close

n-1-n-n-4-n-2-1-n-1-n-2-n-8-n-4-1-




Question Number 197951 by universe last updated on 05/Oct/23
 Σ_(n=1 ) ^∞ (n/(n^4 +n^2 +1)) − Σ_(n=1) ^∞  (n^2 /(n^8 +n^4 +1)) = ?
$$\:\underset{{n}=\mathrm{1}\:} {\overset{\infty} {\sum}}\frac{{n}}{{n}^{\mathrm{4}} +{n}^{\mathrm{2}} +\mathrm{1}}\:−\:\underset{{n}=\mathrm{1}} {\overset{\infty} {\sum}}\:\frac{{n}^{\mathrm{2}} }{{n}^{\mathrm{8}} +{n}^{\mathrm{4}} +\mathrm{1}}\:=\:? \\ $$

Leave a Reply

Your email address will not be published.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