The first four terms of a sequence are given. Determine whether they can be terms of an arithmetic sequence, geometric sequence, or neither. If the sequence is arithmetic or geometric, find the 5th term.
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Arithmetic Sequence. Find the first five terms of the sequence, and determine whether it is arithmetic. If it is arithmetic, find the common difference, and express the term of the sequence in the standard form .
Find the first five terms of the sequence, and determine whether it is arithmetic. If it is arithmetic, find the common difference, and express the nth term of the sequence in the standard form .
