Write the first five terms of the following sequence and obtain the corresponding series:
`a_1 = a_2 = 2, a_n = a_(n-1) -1, n > 2`
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Solution
Hence, the first five terms of the sequence are 2, 2, 1, 0, and –1.
The corresponding series is 2 + 2 + 1 + 0 + (–1) + …
Concept: Concept of Series
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