What is the difference between a sequence and a series?
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(a) What is the difference between a sequence and a series?
(b) What is a convergent series? a divergent series?
: Terms of an Arithmetic Sequence The first term of an arithmetic sequence is and the common difference is . How many terms of this sequence must be added to obtain ?
: Arithmetic or Geometric? The nth term of a sequence is given. Determine whether the sequence is arithmetic or geometric. Find the common difference or the common ratio.