Determine whether the series is absolutely convergent

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} \dfrac{(-1)^{n-1}}{\sqrt{n}} is absolutely convergent, conditionally convergent, or divergent. Provide the classification.

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