Asked by Emma
The third term of a geometric progression of positive terms is 18 and the fifth term is 162
Find the common ration and the first term?
Write an expression for the Nth term of the progression?
Find the sum of the first 8 terms of the progression??
Find the common ration and the first term?
Write an expression for the Nth term of the progression?
Find the sum of the first 8 terms of the progression??
Answers
Answered by
Steve
r^2 = 162/18 = 9
Now you can find the 1st term, and then
S8 = a(r^8-1)/(r-1)
Now you can find the 1st term, and then
S8 = a(r^8-1)/(r-1)
There are no AI answers yet. The ability to request AI answers is coming soon!
Submit Your Answer
We prioritize human answers over AI answers.
If you are human, and you can answer this question, please submit your answer.