SOLUTION: What is the formula for the following geometric sequence? 3, 12, 48, 192, ...

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Question 1179181: What is the formula for the following geometric sequence?
3, 12, 48, 192, ...
Answer by ikleyn(52788) About Me  (Show Source):
You can put this solution on YOUR website!
.

    a%5Bn%5D = 3%2A4%5E%28n-1%29  n = 1, 2, 3, 4, . . .      ANSWER

Solved.