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## Main Question or Discussion Point

So we learned about the basic tests for convergence of an infinite series, and we learned about alternating series, and conditional convergence.

Now, I get how to find if a series is conditionally convergent. But what's the use of conditionally convergent infinite series? All we were taught was how to determine if it was one, but not any of the uses of this particular type of series, could anyone elaborate?

Now, I get how to find if a series is conditionally convergent. But what's the use of conditionally convergent infinite series? All we were taught was how to determine if it was one, but not any of the uses of this particular type of series, could anyone elaborate?

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