Mathematics, 30.03.2020 22:31 krojas015
Find an equation for the nth term of a geometric sequence where the second and fifth terms are -8 and 512
Answers: 3
= 2
= - 8, then ar = - 8 → (1)
= 512, then a
= 512 → (2)
= 
, thus![\sqrt[3]{-64}](/tpl/images/0571/5847/5674a.png)
= - 4
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