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Mathematics 16 Online
OpenStudy (anonymous):

Which of the following is the formula for the geometric sequence? 2, 6, 18, 54, ... A. an = 3(2)n-1 B. an = 2(4)n-1 C. an = 2(3)n-1

sam (.sam.):

an = 2(3)n-1

Directrix (directrix):

C. an = 2 (3)^(n-1)

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