# A cartoon story of a geometric derivative of the closed form of the partial sum of the geometric series

A cartoon story of a geometric derivative of the closed form of the partial sum of the geometric series illustrating that the closed form formula (1-r^(n+1))/(1-r) is the area of a right trapezoid.

- Kind: Cartoon
- Year: 2021
- Runtime: 4 min
- By: Gj7
- Genres: Animation
- Archive: [Wikimedia Commons](https://commons.wikimedia.org/wiki/File:A_cartoon_story_of_a_geometric_derivative_of_the_closed_form_of_the_partial_sum_of_the_geometric_series.webm)
- Licence or status: [CC BY-SA 4.0](https://creativecommons.org/licenses/by-sa/4.0) (as the archive states it)
- Credit: Gj7
- Who can watch: Kids profiles and older (the archive gives no rating; placed by Invisible Network from its collection and subjects)

[Watch now](https://invisiblenetwork.ai/watch/archive/commons/99585714?play=1)