This is a short, animated visual proof demonstrating the sum of two infinite geometric series using dissection proofs in an isosceles trapezoid. In particular, we show how to find the sum of powers of 1/4 and the alternating sum of powers of 1/2 using the isosceles trapezoid. Geometric series are important for many results in calculus, discrete mathematics, and combinatorics.
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Also, check out my playlist on geometric sums/series: • Geometric Sums
This animation is based on a proof by Roger B. Nelsen in his book Cameos for Calculus (https://bookstore.ams.org/clrm-49/ ).
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Traveling Around The World by Alex-Productions | https://onsound.eu/
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Watch video Two Geometric Series in an Isosceles Trapezoid (visual proof without words) online without registration, duration hours minute second in high quality. This video was added by user Mathematical Visual Proofs 24 August 2024, don't forget to share it with your friends and acquaintances, it has been viewed on our site 3,382 once and liked it 217 people.