Answer:
8
Step-by-step explanation:
Nth term of a geometric sequence is given as:
...(1)
Plugging n = 9, a = 3 and r = 2 in the above equation, we find:
... (2)
Comparing equations (1) & (2), we obtan:
(n - 1) = 8
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2 answers:
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Answer:
Step-by-step explanation:
First we simplify:
Then we distribute:
Lastly, combine like terms:
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