Prove-that-1-2-3-4-1-12-

Question Number 188280 by MATHEMATICSAM last updated on 27/Feb/23

$$\mathrm{Prove}\:\mathrm{that}\:\mathrm{1}+\mathrm{2}+\mathrm{3}+\mathrm{4}+…..\:=\:−\frac{\mathrm{1}}{\mathrm{12}} \\ $$

Commented by normans last updated on 27/Feb/23

$$\:{I}\:{think}\:{is}\:{the}\:{old}\:{problem} \\ $$

Commented by JDamian last updated on 27/Feb/23

https://youtu.be/d55P1hwbvYU