Complete the recursive formula of the geometric sequence 27, -9, 3, -1 b(1)= ______ b(n)= b(n-1)·_____

asked Oct 1, 2022 134k views

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

b(1)= ______
b(n)= b(n-1)·_____

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1 vote

Answer:

Explanation:

Common ratio r = a₂/a₁ = -9/27 = -⅓

b(1) = 27

b(n) = b(1)rⁿ⁻¹ = 27(-⅓)ⁿ⁻¹

Wowo Ot answered Oct 5, 2022

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