1. For each of the following series, let Sn represent its partial sums and S its value....

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1. For each of the following series, let Sn represent its partial sums and S its value.

Prove that S is finite and find an n so large that Sn approximates S to an accuracy of 10-2 .

00

(a) 2) _l)k (~ - arctank) .

(b) f (_~~kk2 Loo (-l)k 2.4 ... (2k)

(c) -- .

k2 1·3···(2k-1)

k=l k=l k=l

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