Let be the series of general term .

Question

Let be the series of general term   .

Accepted Answer

the series of general term    diverges.

Answer

The general term being a rational fraction, by decomposition into simple elements and telescoping, this series is convergent and its sum is worth   .

Answer

The general term being a rational fraction, by decomposition into simple elements and telescoping, this series is convergent and its sum is worth   .

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