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3. 2. IM 8 IM 8 Worksheet Do the following series converge or diverge? State all tests you used and show all work needed to use the tests. For convergent series, indicate if they converge conditionally or absolutely. 1. Σ (-1)*3 √k k=1 (-1)+1 k! (-1)*72k (2k)! 4. 8 k=1 cos k k2 1 −1 5. If you add up the 4 terms + " then you obviously don't get the same answer as the 10 17 ∞ whole sum k=1 −1) k k²+1 But we can give an estimate as to how close it is. What is that estimate? Page 2