Enter a recursive rule for the geometric sequence.

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hello mates I got stuck on this problem here can anyone please help me?

Guest Mar 2, 2020

Alan · Answer 1 · 2020-03-02T08:57:05

Try a₁ = -10 a_n = -2*a_n-1

Guest · Answer 2 · 2020-03-02T09:13:21

Here is a slightly different version of Alan's "recursive rule":

a_n = 5 * (-2)^n

​ Enter a recursive rule for the geometric sequence.