Determine whether the series (the alternating harmonic series) converges absolutely

MATHEMATICS · Subjective · AP · Calculus BC · Infinite Sequences and Series · Infinite Sequences and Series

Problem

Determine whether the series ∑n=1∞(−1)n−1n\displaystyle \sum_{n=1}^{\infty} \frac{(-1)^{n-1}}{n} (the alternating harmonic series) converges absolutely, converges conditionally, or diverges. Give a brief justification.

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