49. Let a, be a monotonic decreasing sequence of real numbers that is bounded. Which of the following statements is/are true about an? I: an converges to its infimum. III: 3 K,, K2 € R Ə K, < a, s K2 Vn 2 1. III: sup an exists. A. I only K. Piesie Page 12 of 1

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Sequence and Series

A sequence is defined as a collection of things. Series is defined to sum the things one by one in the sequence.  It was invented by German mathematician Carl Friedrich Gauss.