1. Apply the ratio test to determine whether or not the series converges.\\ $\sum_{n=1}^{\infty} \frac{(-1)^{n-1}3^n}{2^n n^2}$
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The series is given by: ∑((-1)^(n-1) * 3n * 2^n / n^2), where n starts from 1. Show more…
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