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Problem
Problem
Consider the sequence
8
,
4
,
2
,
1
,
1
2
,
…
8, 4, 2, 1, \frac{1}{2}, \dots
8
,
4
,
2
,
1
,
2
1
,
…
a. Show that the sequence is geometric. b. Find the general term
u
n
u_n
u
n
. c. Hence find the 12th term as a fraction.
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