Sigma-Discrete Family

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This entry contributed by Margherita Barile

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More things to try:

• add up the digits of 2567345
• exp(24+2i)
• lim (x^2 + 2x + 3)/(x^2 - 2x - 3) as x->3

Cite this as:

Barile, Margherita. "Sigma-Discrete Family." From MathWorld--A Wolfram Web Resource, created by Eric W. Weisstein. https://mathworld.wolfram.com/Sigma-DiscreteFamily.html

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