3 years ago

Complete the recursive formula of the geometric sequence 27, -9, 3, -1

Mathematics

1 answer:

cricket20 [7]3 years ago

4 0

Answer:

Step-by-step explanation:

Common ratio r = a₂/a₁ = -9/27 = -⅓

b(1) = 27

b(n) = b(1)rⁿ⁻¹ = 27(-⅓)ⁿ⁻¹

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