to solve this question i need to know whether the following series converges. however both the root test and ratio test give 1.(adsbygoogle = window.adsbygoogle || []).push({});

sum from n=1 to infinity:

[tex]\sum\frac{-1(2n-2)!}{n!(n-1)!2^{2n-1}}[/tex]

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# Series and convergence

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