2 n! Which one of the following Given the infinite series (-1)"- n=1 statements is TRUE? an+1 = 2 e, hence the series diverges. an OA. By the ratio test, lim O B. None of these. O C. By the ratio test, the series is inconclusive. an+1 OD. By the ratio test, lim hence the series converges. e an E. Diverges by alternating series test.

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