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find-S-z-n-1-z-n-n-2-with-z-complex-and-z-1-




Question Number 46712 by maxmathsup by imad last updated on 30/Oct/18
find S(z)=Σ_(n=1) ^∞  (z^n /n^2 ) with z complex and ∣z∣=1 .
findS(z)=n=1znn2withzcomplexandz∣=1.

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