SOLUTION: A GP has the second term as 9 and the fourth term as 81,find the sum of the list as the fourth term
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Question 1024168: A GP has the second term as 9 and the fourth term as 81,find the sum of the list as the fourth term
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
So then,
and
I think you want the sum of the first 4 terms(?),
.
.
.
It could also be the case that,
and then,
So then,
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