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Mathematics 19 Online
OpenStudy (anonymous):

Question on power series/Interval of convergence

OpenStudy (anonymous):

Suppose the Radius of convergence of the power series \[\sum_{}{}C _{n}X^n\] is R

OpenStudy (anonymous):

What is the Radius of Convergence of \[sum_{}{}C_nX^{2n}\]\[\[\sum_{}{}C_nX^{2n}\]\]

OpenStudy (anonymous):

\[\sum_{}{}C_nX^{2n}\]

OpenStudy (zarkon):

wouldn't it be \[\sqrt{R}\]

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