Exercise 1. Let {am}1 be a convergent sequence with limit L. Then use the definition of limit to prove that n=1 lim -an = -L. Now if L = 0, then use the definition of limit to prove that lim (–1)"a, = 0. %3D n00

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Q: Can you help me on #31

A: The given sequence is,

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.