How do I calculate this sum in terms of 'n'? I know this is a harmonic progression, but I can't find how to calculate the summation of it. Also, is it an expansion of any mathematical function? 1 ...

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Oct 29, 2016 · I know that the sum of powers of $2$ is $2^{n+1}-1$, and I know the mathematical induction proof. But does anyone know how $2^{n+1}-1$ comes up in the first place. For example, …

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Feb 25, 2015 · Rules for Product and Summation Notation Ask Question Asked 12 years, 2 months ago Modified 6 years, 3 months ago

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Apr 3, 2021 · Repeated sum is denoted using $\\sum$ and is called "summation." What is the name for the analogous process with multiplication, denoted $\\prod$?

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infinite summation of exponential functions Ask Question Asked 9 years, 4 months ago Modified 9 years, 4 months ago