Find the radius of convergence for the power series n=1, infinite (2x+1)^n/(n^2)

I got r = 1/2

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- June 2nd 2010, 09:01 AMewkimchiFind the radius of convergence for the power series [MATH][/MATH] n=1, infinite (2x+1
Find the radius of convergence for the power series n=1, infinite (2x+1)^n/(n^2)

I got r = 1/2 - June 2nd 2010, 09:49 AMSoroban
Hello, ewkimchi!

I agree!