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Find a formula for the sequence {5,1,5,1,5,1,...}?

2007-10-07 10:18:31 · 2 answers · asked by Anonymous in Science & Mathematics ➔ Mathematics

2 answers

a(n) = 3 - 2*(-1)^n
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2007-10-07 10:30:19 · answer #1 · answered by oregfiu 7 · 0⤊ 0⤋

a sub n = 5 if n odd,
a sub n = 1 if n even

2007-10-07 10:28:32 · answer #2 · answered by fcas80 7 · 0⤊ 1⤋

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