Write the recursive formula for the geometric sequence. a1 = -2 a2 = 8 a3= -32

asked Jun 28, 2020 165k views

4 votes

Write the recursive formula for the geometric sequence.

a1 = -2 a2 = 8 a3= -32

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5 votes

Answer:

recursive

a(1) = -2 ; a(n) = -4 * a(n - 1)

explicit

a(n) = -2 * (-4)^(n - 1)

BhushanVU answered Jul 2, 2020

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