Fibonacci Squares Sum (visual proof)

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This is a short, animated visual proof demonstrating the sum of the squares of the first n consecutive Fibonacci numbers. #fibonacci #math​ #manim​ #math​video #calculus #mtbos​ #mathshorts​ #animation​ #theorem​ #pww​ #proofwithoutwords​ #visualproof​ #proof​ #iteachmath #series #finitesums #finiteseries #geometric #squares

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This animation is based on a proof by Alfred Brouusseau from "A Primer for the Fibonacci Numbers by M. Bicknell and V.E. Hoggatt Jr (eds.). You can also find this proof in Roger Nelsen's first Proof Without Words compendium (page 83).

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Attribution 4.0 International (CC BY 4.0)
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I continue to be amazed by how many random things come out of turning random math stuff into squares and making them look pretty.

zengakukatsu
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With each step, the rectangle approaches the Golden rectangle!

LeoStaley
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How long does it take to create such video?

dima_math
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Nice, can u guys see that it forms a rectangular shape whose ratio tends to the golden ratio?

RafaelCouto
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Brain: oh yeah makes sense but not rly

shadowclone