Find a formula for the general term $a_n$ of the sequence, assuming that the pattern of the first few terms continues. (Assume $n$ begins with 1.) { -9, 6, -4, frac{8}{3}, -frac{16}{9}, ... }
Added by Jeffrey M.
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First, let's look at the differences between the terms: 9 - 16 = -7 6 - 9 = -3 -4 - 6 = -10 3 - (-4) = 7 The differences are not constant, so this is not an arithmetic sequence. Show more…
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