Question Number 105471 by Dwaipayan Shikari last updated on 29/Jul/20
$$\underset{{k}=\mathrm{1}} {\overset{{n}} {\sum}}\left(\frac{\mathrm{1}}{{k}}\right)^{\mathrm{2}} \\ $$
Commented by Dwaipayan Shikari last updated on 29/Jul/20
$${What}\:{do}\:{you}\:{think}? \\ $$
Commented by JDamian last updated on 29/Jul/20
Q #105431