SOLUTION: In a geometric sequence, a3=9, a6=9/8, find a 12
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Question 880066
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In a geometric sequence, a3=9, a6=9/8, find a 12
Answer by
richwmiller(17219)
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Tn = t * r^(n - 1)
9 = t* r^2
9/8 = t * r^5
t=36 r=1/2
T12 = 36 * 1/2^(12)
t12=9/1024