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koban [17]
2 years ago
13

Write the explicit formula for this geometric sequence: 8, -8, 8, -8, ...

Mathematics
1 answer:
Annette [7]2 years ago
5 0
A2=a1*(-1)=8*(-1)= - 8
a3= (-8)* (-1)= 8
.....................................
a(n)= a(n-1)* (-1)
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