SOLUTION: find first term and common ratio of a geometric sequences given sixth term 486 and third term 18

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Question 845306: find first term and common ratio of a geometric sequences given sixth term 486 and third term 18
Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
Tn = t * r^(n - 1)
486 = t * r^(5),
18 = t * r^(2)
r = 3, T1= 2