SOLUTION: What is the nth term of the sequence (-1, 4, -9, 16, ......)?

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Question 1020764: What is the nth term of the sequence (-1, 4, -9, 16, ......)?



Answer by robertb(5830) About Me  (Show Source):
You can put this solution on YOUR website!
It should be a%5Bn%5D+=+%28-1%29%5En%2An%5E2, as can be verified directly for n = 1, 2, 3, 4, 5,...