16. Evaluate the integral or show that it is divergent dx x+1 1 (a) √ (3x+1)³², I (3+1), (b) / -2+2-da, (c) / (_dx. f dæ. S x²+2x x(lnx) e Answers: (a), convergent; (b) Divergent, (c) , convergen-

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