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It's all Greek to me! Sigma notation

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Uploaded by on Jan 17, 2007

Please visit us at http://www.isallaboutmath.comSigma Notation. Tetrahedral numbers. Pyramidal Numbers. Some relations between them.

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Uploader Comments (ynceraj)

  • I've seen the variable "k" used as a radicand. What does it signify when referring to sequences??

  • @barrhh84 Sequences are functions that go from the natural numbers to the real numbers. It is customary to use a sub index k to indicate a natural number.

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  • muchas gracias thank you!!!!!

  • dude this is really intresting im looking into this

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