SOLUTION: In a geometric sequence, the first term is 3 and the sixth term is 96. a. Find the common ratio b. Find the least value of n such that Un > 3000

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Question 991377: In a geometric sequence, the first term is 3 and the sixth term is 96.
a. Find the common ratio
b. Find the least value of n such that Un > 3000

Answer by ikleyn(52832)   (Show Source): You can put this solution on YOUR website!
.
1. = ,

= ,

= = = = ,

= = .

2. = = > .

= = < .

n = 11.


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