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Thread: Find the radius of convergence for the power series [MATH][/MATH] n=1, infinite (2x+1

  1. June 2nd 2010, 09:01 AM #1
    ewkimchi
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    Find 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
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  2. June 2nd 2010, 09:49 AM #2
    Soroban
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    Hello, ewkimchi!

    I agree!
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