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Infinite Sum: 2/(n^2+3n), n=1 to infinity.

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Uploaded by on Mar 18, 2011

A http://www.door2math.com production.Find the sum of 2/(n^2+3n)?

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Uploader Comments (TucsonMathDoc)

  • you forgot to put - in front of B

    its B= - 1/3

  • @ovsick

    thank you for commenting on my math channel. I updated the video with your comments. -MathDoc

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All Comments (6)

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  • For Sn, wouldn't it be 1+1/2+1/3-1/(n+1)-1/(n+2)-1/(n­+3)? Those last three won't get cancelled

  • So is this basically what you do for all infinite summations?

  • thank you very much

    im really looking forward to see more examples

  • Thank yoU!!! i was stuck on this number for a awile, and i kept trying the integral test which gave me 1/2ln3 , why doesnt it give me the same answer?

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