Question Number 36775 by Rio Mike last updated on 05/Jun/18
$$\:{find}\:{the}\:{interval}\:{of}\:{convergence} \\ $$$$\:{of}\:\:\:\underset{{n}=\mathrm{1}} {\overset{+\infty} {\sum}}\frac{\left({x}−\mathrm{2}\right)^{\mathrm{2}} }{{n}} \\ $$
find-the-interval-of-convergence-of-n-1-x-2-2-n-