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This has been mentioned before but here is a video and motivation of Gauss proof Gauss proof for the sum of first 100 natural numbers There is more videos in that side site that include proofs here is the list of instructional videos from isallaboutmath.com especially this one Proof (stereographic projection) this should be accessible with the most basic geometric knowledge. |
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1 | [made Community Wiki] | ||
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This has been mentioned before but here is a video and motivation of Gauss proof Gauss proof for the sum of first 100 natural numbers There is more videos in that side that include proofs here is the list of instructional videos from isallaboutmath.com especially this one Proof (stereographic projection) this should be accessible with the most basic geometric knowledge. |
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