Why adding cubes is always a squared triangle number

Описание к видео Why adding cubes is always a squared triangle number

The sum of cubes has a beautiful and surprising relationship to the triangle numbers. This videos proves this relationship in a visual and intuitive way.

If you prefer reading, I've written a blog post on the same topic: https://penguinmaths.blogspot.com/201...

There is a small mistake at the end of the video, when substituting 1,000,000 into the equation, I accidentally treated 2n^3 as (2n)^3. My bad!

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