File:Animated proof for the formula giving the sum of the first integers 1+2+...+n.gif
Summary
| Description |
English: Animated proof for the formula giving the sum of the first integers 1+2+...+n. This formula is similar to the method for finding the area of a triangle (or 'a discrete step triangle' or 'stair-stepped triangle'). Français : Preuve de la formule donnant la somme des premiers entiers. Astuce dite du "petit Gauss". |
| Date | |
| Source | Own work |
| Author | Vincent Pantaloni |
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