Sn is the sum of the first n terms of a series given by Sn...
MATHEMATICS
JAMB 1997
Sn is the sum of the first n terms of a series given by Sn = n2 - 1. Find the nth term
- A. 4n + 1
- B. 4n - 1
- C. 2n + 1
- D. 2n - 1
Correct Answer: D. 2n - 1
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