i am totally stumped on this simple problem... $\displaystyle \sum (x-3)^n$ i just need to find the radius of convergence. chadly
Last edited by Chadly724; Nov 15th 2006 at 03:53 PM. Reason: different question
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Originally Posted by Chadly724 i am totally stumped on this simple problem... $\displaystyle \sum (x-3)^n$ i just need to find the radius of convergence. chadly Looks to me as though it is convergent on $\displaystyle \{x:\ |x-3|<1\}$. Which is the intereior of a disc centred at $\displaystyle x=3$ of radius $\displaystyle 1$. RonL
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