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Does the series `sum_{n=9}^{oo} \ 1/n` converge or diverge?
Does the series `sum_{n=9}^{oo} \ (- 1)^n/n` converge or diverge?
Does the series `sum_{n=9}^{oo} \ (- 1)^n/n` converge or diverge?
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Box 1: Select the best answer
diverges (harmonic series)
Box 2: Select the best answer
converges (alternating series test)