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9. Test for divergence or convergence (a) (8 points) (2k - 1) 3* + 2 (b) (8 points) n'tn+1 mal Vn +n' + 1 (c) (8 points) K! 2 2* ( k + 1)! 10. (4 points) Approximate sin 0.2 using the first four non-zero terms of a Taylor series