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3 years ago

9

Write the recursive rule and an explicit rule for the geometric sequence 9,27,81,243

1 answer:

SashulF [63]3 years ago

5 0

Answer:

Recursive

a(1) = 9 ; a(n+1) = 3 * a(n)

Explicit

a(n) = 9 * 3^(n-1)

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