. Some functions can be expressed nicely as power series. In your own words describe how you can recognize such a function. That is, what quality do these functions possess that make it easy to express them as power series?

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A: The problems regarding the simple and compounded interest.

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Q: Evaluate by the residue theorem: So sin e de a+cos a 1, [r ( ¾a − a³ + (a² − 1) ³ )].

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