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Mathematics 8 Online
OpenStudy (anonymous):

\[\sum_{n=2}^{\infty}n ^{2}(z-3)^{n}\] determine and as possible the regions of converges and divergence of the power serie

OpenStudy (anonymous):

How can I solve it? derivative or integral ?

OpenStudy (anonymous):

i had a mistake..the question should be solved by comparison, ratio test or something like that

OpenStudy (anonymous):

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