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Mathematics, 05.07.2019 16:00 emilypzamora11

For the following geometric sequence find the recursive formula. {1, -3, 9, }a.  an  = -3 ·  an - 1  where  a1  = 1b.  an  = -3 ·  an - 1  where  a1  = -1c.  an  = -1 · (-3)n - 1d.  an  = (-3)n - 1

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For the following geometric sequence find the recursive formula. {1, -3, 9, }a.  an  = -3...
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