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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
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OpenStudy (experimentx):
CC
OpenStudy (anonymous):
2 * 3^(n-1)
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