File:The sum of the first n odd integers is n². 1+3+5+...+(2n-1)=n²..gif
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The_sum_of_the_first_n_odd_integers_is_n²._1+3+5+...+(2n-1)=n²..gif (683 × 598 pixels, file size: 1,018 KB, MIME type: image/gif, looped, 61 frames, 20 s)
Note: Due to technical limitations, thumbnails of high resolution GIF images such as this one will not be animated.
%3Dn%C2%B2..gif){kind=link}
Summary
| Description |
English: The first n odd integers viewed on a tetrahedron give a proof without words that their sum is n². The animation shows a 3D view of a tetrahedron which when rotated gives two representations of the same number : either stacked rows of consecutive odd numbers of dots 1, 3, 5,... or a square array of n² dots. |
| Date | |
| Source | Own work |
| Author | V.pantaloni |
Licensing
I, the copyright holder of this work, hereby publish it under the following license:
This file is licensed under the Creative Commons Attribution-Share Alike 4.0 International license.
- You are free:
- to share – to copy, distribute and transmit the work
- to remix – to adapt the work
- Under the following conditions:
- attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
- share alike – If you remix, transform, or build upon the material, you must distribute your contributions under the same or compatible license as the original.
File history
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 11:30, 29 December 2019 | | 683 × 598 (1,018 KB) | wikimediacommons>V.pantaloni | Optimized to less than 1MiB |
File usage
The following page uses this file:
%3Dn²..gif){kind=link}