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topserb96's avatar

Calc question about sequences.

Asked by topserb96 (131points) March 19th, 2008 from iPhone

what is (a sub n) for a sequence {5,1,5,1,5,.......}? I found the equation close is 5 + 4•(-1)^n-1 however it doesn’t work out for (a sub 1)

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2 Answers

chris's avatar

how about 3+2•(-1)^(n-1)?

topserb96's avatar

thanks alot chris, great answer! I guess I didnt c that for some odd reason.

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