4) Give an properties: an exa example, if possible, of power series with the following a) centered at Zo=3i, with radius of convergence R = 7 b) centered at Zo=1 and convergent for all z with Im 7 ≤ 4, but divergent for all z with Im Z >4 c) centered at Zo=0 and convergent for all z with Rez= 8, but divergent for all other ZEC. *

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