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Find the 9th term geometric sequence 1,1/2,1/2^2

1 Answer

6 votes

Answer:
t_9=(1)/(2^8)

Explanation:


t_n=t_1* r^(n-1)\\\\Given: t_1=1,\quad r=(1)/(2)\\\\\\t_9=1*\bigg((1)/(2)\bigg)^(9-1)\\\\\\.\quad =\large\boxed{(1)/(2^8)}

User Florent Cardot
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