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Grandi's Series

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A mathematical series that alternates between 1 and -1, famously known for its surprising sum of 1/2 when evaluated using certain summation techniques.

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They say 1-1+1-1+1-1+... is 1/2 (Grandi's Series fully explained)

Math tutorial answering the question from Reddit, why 1-1+1-1+1-1+... is 1/2? This is known as the Grandi's series.…

4 weeks ago·blackpenredpen