summation from n=1 to infinity (x-2)^n/(n*3^n).(adsbygoogle = window.adsbygoogle || []).push({});

My teacher got -1 <= x<= 5 as the interval of convergence because he found that x-2/3<1

Using the ratio test i get (x-2)n/(n+1)3, consistantly. This is driving me wild. :rofl:

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# Power series, driving me mad

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