Question: Find the nth, or general, term. a. 1, 3, 9,...... b. 25, 5, 1,....... c. 1, -1, 1, -1, .....

Find the nth, or general, term.
a. 1, 3, 9,......
b. 25, 5, 1,.......
c. 1, -1, 1, -1, .....

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